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This is a page for all newsletters that I subscribe to.

The Signpost: 26 June 2022

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The Signpost: 1 August 2022

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  • Eyewitness Wikimedian, Vinnytsia, Ukraine: War diary (part 3)
    "This year's victory was sad and dull."
  • Opinion: Criminals among us
    Mass murderers, sex criminals, Ponzi schemers, insider traders, and business people.
  • Gallery: A backstage pass
    All the things about theatre that the general public misses out on.

The Signpost: 31 August 2022

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  • Discussion report: Boarding the Trustees
    2022 elections, new page patrol, Fox News, Vector 2022, Royal Central and external links
  • From the archives: 5, 10, and 15 years ago
    The Signpost looks back on The Signpost: New reports, conceived in a spirit of collaboration, and dedicated to the proposition of information and, uh, more information for all.

The Signpost: 30 September 2022

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  • Featured content: Farm-fresh content
    This month: A FACBot upgrade, a completed list of lists.

The Signpost: 31 October 2022

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The Signpost: 28 November 2022

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  • Disinformation report: Missed and Dissed
    Are government goons prowling our fair encyclopedia?
  • Book review: Writing the Revolution
    Heather Ford's new volume on Wikipedia, knowledge and power in the 2011 Egyptian revolution.
  • Technology report: Galactic dreams, encyclopedic reality
    Facebook's Galactica demo provides a case study in large language models for text generation at scale: this one was silly, but we cannot ignore them forever.
  • Obituary: A tribute to Michael Gäbler
    They shall grow not old, as we that are left grow old: Age shall not weary them, nor the years condemn.
  • CommonsComix: Joker's trick
    A toast to good health, a health to good hoax, a hoax to good toast.


The Signpost: 1 January 2023

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  • Featured content: Would you like to swing on a star?
    You head into the featured content report. Amongst the features you see astronauts, both Gilbert and Sullivan, Ursula K. Le Guin's incredibly talented mother, and Billboard charts. It is pitch black, you are likely to be eaten by a grue.
  • From the archives: Five, ten, and fifteen years ago
    Photographers, Sandy Hook, the shocking use of Nazi symbols in articles about Nazis, and "You wouldn't recognise a fact if it bit you in the ass".


The Signpost: 16 January 2023

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  • Featured content: Flip your lid
    ...and your ambigram. Also: Boring lava fields, birds of Tuvalu, and commelinid family names with etymologies.

The Signpost: 4 February 2023

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The Signpost: 20 February 2023

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  • Featured content: Eden, lost.
    But much else to be found.

The Signpost: 9 March 2023

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The Signpost: 20 March 2023

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The Signpost: 03 April 2023

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The Signpost: 26 April 2023

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  • Special report: Signpost statistics between years 2005 and 2022
    In this article, we will look at The Signpost statistics. More precisely: Signpost article statistics by year, TOP 20 titles of Signpost articles, TOP 20 article authors, and the home wikis of article authors.
  • News from the WMF: Collective planning with the Wikimedia Foundation
    First of a two part series summarising the priorities for the Wikimedia Foundation's next fiscal year (July 2022–June 2023) including staffing, budget and other changes, and how to provide your feedback.
  • Humour: The law of hats
    The Selfish Hatnote, the Disambiguation Singularity, and other information-theoretic conundra of encyclopedic note.

The Signpost: 8 May 2023

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The Signpost: 22 May 2023

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  • Traffic report: Coronation, chatbot, celebs
    Celebs and Bollywood film dominated reader interest, as usual, but with a new persistent presence on the lists of a certain AI.

The Signpost: 5 June 2023

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  • Featured content: Poetry under pressure
    Now is not this ridiculous, and is not this preposterous? A thorough-paced absurdity - explain it if you can.

The Signpost: 19 June 2023

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The Signpost: 3 July 2023

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  • Featured content: Incensed
    In which featured pictures have a pleasing orange/blue colour scheme for some reason.

The Signpost: 17 July 2023

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The Signpost: 1 August 2023

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The Signpost: 15 August 2023

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  • Cobwebs: Getting serious about writing
    The innards of the Signpost received a major overhaul in March/April 2019. Here's how we reduced behind-the-scenes busywork and improved writers resources.

The Signpost: 31 August 2023

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  • In the media: Taking it sleazy
    "Poli", which means "many", and "tics", which means "under-the-table Wikipedia article whitewashing campaigns".

The Signpost: 16 September 2023

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  • Featured content: Catching up
    Covering all of August. Pretty much.

The Signpost: 3 October 2023

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  • Featured content: By your logic,
    The first issue to feature two poetry article

The Signpost: 23 October 2023

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The Signpost: 6 November 2023

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  • Traffic report: Cricket jumpscare
    Plus Kollywood, Killers of the Flower Moon, and ongoing war.

The Signpost: 20 November 2023

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The Signpost: 4 December 2023

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  • Comix: Bold comics for a new age
    "I think we ought to read only the kind of comics that wound or stab us. If the comic we're reading doesn't wake us up with a blow to the head, what are we reading for?" — Franz Kafka
  • Humour: Mandy Rice-Davies Applies
    This page in a nutshell: Whether or not someone has denied unsavory allegations — though such a denial may not merit being given equal weight in an article — a worthless shitpost should still be included.

The Signpost: 24 December 2023

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  • In the media: Consider the humble fork
    Forky on forky on forky, plus a strange donation scheme and other interesting bits of news.
  • Technology report: Dark mode is coming
    No more must Wikipedia always be a lightbulb in the dark — except metaphorically of course.
  • Crossword: when the crossword is sus
    The Signpost Crossword is a 2018 online multiplayer social deduction game that takes place in space-themed settings where players are colorful, armless cartoon astronauts.
  • BJAODN: Bad jokes and other deleted nonsense
    Edit summary: "Only need this page for about 30 minutes to demonstrate to a friend how easy it is to create a Wikipedia page. Then it will be deleted."

The Signpost: 10 January 2024

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  • News and notes: In other news ... see ya in court!
    Let the games begin! The 2024 WikiCup is off to a strong start. With copyright enforcement, AI training and freedom of expression, it's another typical week in the wiki-sphere!
  • WikiProject report: WikiProjects Israel and Palestine
    What are the editorial processes behind covering some of the most politically polarizing and contentious topics on English Wikipedia?

The Signpost: 31 January 2024

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  • Opinion: Until it happens to you
    A stream of consciousness about plagiarism on Wikipedia from the perspective of a user who directly witnessed it.
  • Comix: We've all got to start somewhere
    Writing a good subheading for a one-sentence joke is basically like writing an entire second joke so I'm not going to do it.

The Signpost: 13 February 2024

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  • Comix: Strongly
    That's more than weakly!

The Signpost: 2 March 2024

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The Signpost: 29 March 2024

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The Signpost: 25 April 2024

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The Signpost: 16 May 2024

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The Signpost: 8 June 2024

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The Signpost: 4 July 2024

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  • In the media: War and information in war and politics
    Advocacy organizations, a journalist, mycophobes, conservatives, leftists, photographers, and a disinformation task force imagine themselves in Wikipedia.

The Signpost: 22 July 2024

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  • Obituary: JamesR
    Rest in peace.

The Signpost: 14 August 2024

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  • In focus: Twitter marks the spot
    Musk's Twitter acquisition and rebranding have caused long debates on Wikipedia.

The Signpost: 4 September 2024

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The Signpost: 26 September 2024

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  • Serendipity: A Wikipedian at the 2024 Paralympics
    User Hawkeye7 opens up on his experience as a media representative following the Australian team at the latest Summer Paralympics in Paris.
  • News and notes: Are you ready for admin elections?
    More changes to RfA on the way in October, final results for the U4C elections revealed, and other news from the Wikimedia world.

The Signpost: 19 October 2024

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  • In the media: Off to the races! Wikipedia wins!
    Perplexing persistence, pay to play, potential president's possible plagiarism, crossword crossover to culture, and a wish come true!
  • Book review: The Editors
    A novel about us, from the point of view of three of us.

The Signpost: 6 November 2024

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The Signpost: 18 November 2024

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The Signpost: 12 December 2024

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  • Op-ed: On the backrooms
    An editor's reflection on social capital and their changing relationship with Wikipedia culture. by Tamzin

The Signpost: 24 December 2024

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The Signpost: 15 January 2025

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Hello! This is an announcement that The Downlink has been revived. Rather than simply start again, I have chosen to create two special issues recapping the past three years. The first special issue spans November 2021 to December 2023, while the second special issue spans January 2024 to December 2024.

Due to the size of these pages, as well as the fact that they are non-standard issues, I have instead had this notice sent out. The following issues of volume 3 (Jan - Dec 2025) should be significantly smaller.

Please be aware that, for a variety of reasons, the issues that I create may be published late.

Here are the issues:

Ships & Space(Edits) 02:36, 30 January 2025 (UTC)[reply]

Discuss & propose changes to The Downlink at the talk page. To unsubscribe from the newsletter remove your name from the mailing list.

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The Downlink The WikiProject Spaceflight Newsletter
2025
1 – 31 January
Volume 3 — Issue 1
Spaceflight Project • Project discussion • Members • Assessment • Open tasks • Popular pages • The Downlink
Introduction to Volume 3
Initially launched in late 2010/early 2011 for a run of four months, The Downlink was unpublished for more than nine years, after which a second volume was published from October 2020 to October 2021. This second volume was very different from the first volume, both in style and structure. A December issue was planned (for some reason, the second volume became volume 1 in April 2021), but was never finished. Like with volume 2, this volume 3 was intended to come with changes, though primarily to style.
Volume 3 will not feature any significant changes to style or structure. This both provides continuity with the previous volume and allows the contributors to construct each issue relatively easily. However, following volumes may see changes to style, format, and upload schedule. As it is still very early in the year, a discussion on this is not yet necessary, but suggestions of all kinds are always welcome at the talk page.
In the News
  • Blue Ghost Mission 1 and Hakuto-R Mission 2 were launched from Kennedy Space Center on 15 January. They are planned to land in March and April, respectively.
  • On 30 January, Sunita Williams broke Peggy Whitson's record for most time spent on spacewalks by a woman, at 62 hours and 6 minutes total.
  • ISRO successfully docked two SpaDeX satellites on 16 January, making India the fourth country (including the EU) to dock two vehicles in space.
  • Blue Origin's New Glenn launch vehicle completed its maiden flight on 16 January. The payload was successfully placed in orbit, while the first staged failed to land on the recovery ship.
Featured Content
Article of the Month

Soyuz programme
Artist's impression of the Soyuz 19 spacecraft from the Apollo–Soyuz mission

The Soyuz programme (/ˈsɔɪjuːz/ SOY-yooz, /ˈsɔː-/ SAW-; Russian: Союз [sɐˈjus], meaning "Union") is a human spaceflight programme initiated by the Soviet Union in the early 1960s. The Soyuz spacecraft was originally part of a Moon landing project intended to put a Soviet cosmonaut on the Moon. It was the third Soviet human spaceflight programme after the Vostok (1961–1963) and Voskhod (1964–1965) programmes.

The programme consists of the Soyuz capsule and the Soyuz rocket and is now the responsibility of Roscosmos. After the retirement of the Space Shuttle in 2011, the Soyuz was the only way for humans to get to the International Space Station (ISS) until 30 May 2020 when Crew Dragon flew to the ISS for the first time with astronauts.

Image of the Month

Gene Cernan on the Moon

Gene Cernan was the eleventh and (as of 2025) last person to ever step foot on the moon. In addition to being an astronaut, he was an aviator in the US Navy and engineer. Apollo 17 was his second Apollo mission, as he served as Apollo 10's lunar module pilot. He died in Houston on 16 January, 2017. He was the first astronaut to be buried at Texas State Cemetery.

Members

New members:

Number of active members: 200. Total number of members: 426.

Launches
All times stated here are in UTC. For a complete list, see here: List_of_spaceflight_launches_in_January–June_2025#January.


  1. United States New GlennDarkSky-1 (16 Jan. at 07:03) (success)
  2. United States SpaceX Starship — 10 Starlink simulators (16 Jan. at 22:37) (launch failure)
Article Statistics
This data reflects values from the 31 January 2025.

Monthly Changes

Since December 2024, five new high-importance, eight new mid-importance, forty new low-importance, and 1,522 new NA-importance articles have been created. Fifteen unknown-importance articles have been removed, for a total of 1,560 more articles. One article has been promoted to Good Article status. There are also three more B-class articles, eleven more C-class articles, 23 more Start-class articles, four more Stub-class articles, 4 more lists, and 34 more files.

Discuss & propose changes to The Downlink at The Downlink talk page. To unsubscribe from the newsletter remove your name from the mailing list.
Newsletter contributor: Ships&Space

MediaWiki message delivery (talk) 21:30, 18 February 2025 (UTC)[reply]

The Signpost: 27 February 2025

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  • Technology report: Hear that? The wikis go silent twice a year
    From patrolling new edits to uploading photos or joining a campaign, you can count on the Wikimedia platform to be up and running — in your language, anywhere in the world. That is, except for a couple of minutes during the equinoctes.
  • Opinion: Sennecaster's RfA debriefing
    User Sennecaster shares her thoughts on her recent RfA and the aspects that might have played a role in making it successful.
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The Downlink The WikiProject Spaceflight Newsletter
2025
1 — 28 February
Volume 3 — Issue 2
Spaceflight Project • Project discussion • Members • Assessment • Open tasks • Popular pages • The Downlink
In the News
Article of the month
The Family Portrait of the Solar System taken by Voyager 1

The Family Portrait, or sometimes Portrait of the Planets, is an image of the Solar System acquired by Voyager 1 on February 14, 1990, from a distance of approximately 6 billion km (40 AU; 3.7 billion mi) from Earth. It features individual frames of six planets and a partial background indicating their relative positions. The picture is a mosaic of 60 frames. The frames used to compose the image were the last photographs taken by either Voyager spacecraft (which continued to relay other telemetry afterward). The frames were also the source of the famous Pale Blue Dot image of the Earth. Astronomer Carl Sagan, who was part of the Voyager imaging team, campaigned for many years to have the pictures taken.[failed verification]

Image of the month
STS-98 following liftoff

Launched on 7 February 2001, STS-98 delivered to the Destiny laboratory module of the International Space Station. Flown by Atlantis, it was the first human spaceflight mission of the 21st century. The shuttle landed at Edwards Air Force Base on 20 February after being docked with the ISS for almost seven days. The crew consisted of Kenneth Cockrell, commander, Mark L. Polansky, pilot, Robert Curbeam, mission specialist 1, Marsha Ivins, mission specialist 2 and flight engineer, and Thomas David Jones, mission specialist 3.

Members

New Members: No new members.

Number of active members: 200. Total number of members: 426.

February Launches
All times stated here are in UTC. See a current list: here.


  1. Russia Soyuz 2.1v and VolgaKosmos-2581/-2582/-2583 (5 Feb. at 03:59) (success)
  2. China Long March 8A — 9 Hulianwang Digui (11 Feb. at 09:30) (success)
  3. United States Falcon 9 Block 5 — 23 Starlink (18 Feb. at 23:21) (success)
  4. United States Falcon 9 Block 5multiple (27 Feb. at 00:02) (launch success)
Article Statistics
This data reflects values from the 28 February 2025.

Monthly Changes

Since January 2025, one new high-importance, sixteen new low-importance, nineteen new NA-importance, and twelve new unknown-importance articles have been created, for a total of 58 new articles. One article has been demoted from Good Article status. There are also one more A-class article, one more B-class article, nine fewer C-class articles, thirteen more Start-class articles, three more Stub-class articles, and one more list.

Discuss & propose changes to The Downlink at The Downlink talk page. To unsubscribe from the newsletter remove your name from the Mailing list.
Newsletter contributors: Ships&Space, Geni

MediaWiki message delivery (talk) 19:59, 18 March 2025 (UTC)[reply]

The Signpost: 22 March 2025

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  • From the editor: Hanami
    It's an ecstasy, my spring.
  • Obituary: Rest in peace
    Send not to know
    For whom the bell tolls,
    It tolls for thee.

The Signpost: 9 April 2025

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The Downlink The WikiProject Spaceflight Newsletter
2025
1 — 31 March
Volume 3 — Issue 3
Spaceflight Project • Project discussion • Members • Assessment • Open tasks • Popular pages • The Downlink
In the News
  • Firefly Aerospace became the first commercial company to successfully achieve a soft landing on the moon on 2 March with the landing of Blue Ghost Mission 1 near Mons Latreille. It lasted the intended length of one lunar day before losing power on 16 March. It was launched with the Hakuto-R Mission 2 lander Resilience and rover Tenacious, which are planned to land in the Mare Frigoris.
  • On 6 March, the IM-2 mission's lunar lander Athena landed on Mons Mouton. Although intact, it landed sideways, preventing it from generating enough power to operate as designed. The mission was declared over the following day.
  • SpaceX Crew-9 splashed down near Tallahassee, Florida on 18 March. Initially planned to launch with a full complement, the extension of Barry Wilmore and Sunita Williams' stay on the ISS resulted in it being launched with only two crew members.
Article of the month

The Phootprint mission was conceived as a candidate for the Mars Robotic Exploration Preparation Programme 2 (MREP-2) at ESA. In 2014, ESA funded Footprint's pre-phase A feasibility study and an 8-month industrial system study.

The mission would have lasted about 3.5 years, including the cruise time to Phobos, orbit mapping, 7 days on the surface, and finally, the sample return cruise time. The spacecraft would be powered by solar arrays.

In August 2015, the ESA-Roscosmos working group, after cooperation on ExoMars, completed a joint study for a possible future Phobos Sample Return mission, and preliminary discussions were held.

Image of the month
InSight lander testing

The InSight (Interior Exploration using Seismic Investigations, Geodesy and Heat Transport) lander was selected from among three options in August 2012. Initially planned to launch in March 2016, an instrument issue delayed the launch to May 2018, the next Earth-Mars launch window. It was successfully launched on 5 May, and landed on Elysium Planitia on 26 November 2018. Taking seismographic and thermographic readings, InSight operated for a total of 4 years and 19 days instead of its planned 2 year mission. The mission was declared over on 21 December, 2022 after contact was lost on 15 December. A re-analysis of some of its data indicates that there may be significant amounts of groundwater in Mars' crust.

Members

New Members:

Number of active members: 206. Total number of members: 430.

March Launches
All times stated here are in UTC. See a current list: here.


  1. France Ariane 62CSO-3 (6 Mar. at 16:24 UTC) (success)
  2. United States SpaceX Starship — four Starlink simulators (6 Mar. at 23:30 UTC) (launch failure)
  3. United StatesJapan Rocket Lab Electron — QPS-SAR 9/SUSANOO-1 (15 Mar. at 00:00 UTC) (success)
  4. Germany Spectrumno payload (30 Mar. at 10:30 UTC) (launch failure)
Article Statistics
This data reflects values from the 28 February 2025.

Monthly Changes

Since February 2025, six new low-importance and one new unknown-importance articles have been created. One NA-importance article has been removed, for a total of six new articles. There are also five more C-class articles, three more Start-class articles, two more Stub-class articles, and one more list.

Discuss & propose changes to The Downlink at The Downlink talk page. To unsubscribe from the newsletter remove your name from the Mailing list.
Newsletter contributors: Ships&Space

MediaWiki message delivery (talk) 13:04, 11 April 2025 (UTC)[reply]

The Signpost: 1 May 2025

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  • Traffic report: Of Wolf and Man
    Television dramas, televised sports, film, the Pope, and ... bioengineering at the top of the list?

The Signpost: 14 May 2025

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The Downlink The WikiProject Spaceflight Newsletter
2025
1 — 30 April
Volume 3 — Issue 4
Spaceflight Project • Project discussion • Members • Assessment • Open tasks • Popular pages • The Downlink
In the News
  • On 1 April, Fram2 became the first crewed mission to enter into a retrograde orbit around Earth's poles.
Article of the month

The Apollo Abort Guidance System (AGS, also known as Abort Guidance Section) was a backup computer system providing an abort capability in the event of failure of the Lunar Module's primary guidance system (Apollo PGNCS) during descent, ascent or rendezvous. As an abort system, it did not support guidance for a lunar landing.

The AGS was designed by TRW independently of the development of the Apollo Guidance Computer and PGNCS.

It was the first navigation system to use a strapdown Inertial Measurement Unit rather than a gimbaled gyrostabilized IMU (as used by PGNCS). Although not as accurate as the gimbaled IMU, it provided satisfactory accuracy with the help of the optical telescope and rendezvous radar. It was also lighter and smaller in size.

Image of the month
Falcon 9 Full Thrust

Starting development in 2014, the Falcon 9 Full Thrust is a variant of the Falcon 9 that is the first orbital rocket to have a first stage successfully land vertically after launch. The stage shown here is from the April 2016 SpaceX CRS-8 mission, after landing on the autonomous spaceport drone ship Of Course I Still Love You.

Members

New Members:

Number of active members: 208. Total number of members: 433.

April Launches
All times stated here are in UTC. See a current list: here.


  1. United States Falcon 9 Block 5Fram2 (1 Apr. at 00:46 UTC) (success)
  2. China Long March 2F/GShenzhou 20 (24 Apr. at 09:17 UTC) (success)
  3. United States Atlas V 551 — 27 KuiperSats (28 Apr. at 23:01) (success)
  4. United States Firefly Alpha — LM-400 Demo (29 Apr. at 13:37) (launch failure)
Article Statistics
This data reflects values from 30 April 2025.

Monthly Changes

Since March 2025, four new high-importance, two new mid-importance, twenty new low-importance, and two new NA-importance articles have been created. Four unknown-importance articles have been removed, for a total of 24 new articles. One article has been promoted to Featured Article status. There are also five more B-class articles, eighteen more C-class articles, eleven more Start-class articles, six fewer Stub-class articles, and six more lists.

Special thanks to Neopeius for significantly working on some of the Timeline of spaceflight articles (specifically 1953, 54, 55, and most recently 56). Thanks also to Sotakarhu for table work in the latter.

Discuss & propose changes to The Downlink at The Downlink talk page. To unsubscribe from the newsletter remove your name from the Mailing list.
Newsletter contributors: Ships&Space

MediaWiki message delivery (talk) 04:26, 19 May 2025 (UTC)[reply]

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The Downlink The WikiProject Spaceflight Newsletter
2025
1 — 31 May
Volume 3 — Issue 5
Spaceflight Project • Project discussion • Members • Assessment • Open tasks • Popular pages • The Downlink
In the News
Article of the month
Artist's impression of the Mars Odyssey spacecraft

2001 Mars Odyssey is a robotic spacecraft orbiting the planet Mars. The project was developed by NASA, and contracted out to Lockheed Martin, with an expected cost for the entire mission of US$297 million. Its mission is to use spectrometers and a thermal imager to detect evidence of past or present water and ice, as well as study the planet's geology and radiation environment. The data Odyssey obtains is intended to help answer the question of whether life once existed on Mars and create a risk-assessment of the radiation that future astronauts on Mars might experience. It also acts as a relay for communications between the Curiosity rover, and previously the Mars Exploration Rovers and Phoenix lander, to Earth. The mission was named as a tribute to Arthur C. Clarke, evoking the name of his and Stanley Kubrick's 1968 film 2001: A Space Odyssey.

Odyssey was launched April 7, 2001, on a Delta II rocket from Cape Canaveral Air Force Station, and reached Mars orbit on October 24, 2001, at 02:30 UTC (October 23, 19:30 PDT, 22:30 EDT). As of March 2025, it is still collecting data, and is estimated to have enough propellant to function until the end of 2025. It currently holds the record for the longest-surviving continually active spacecraft in orbit around a planet other than Earth, ahead of the Pioneer Venus Orbiter (served 14 years) and the Mars Express (serving over 20 years), at 24 years, 1 month and 17 days. As of October 2019 it is in a polar orbit around Mars with a semi-major axis of about 3,800 km or 2,400 miles.

Image of the month
International Space Station after LF1

Starting with Zarya in November 1998, the assembly of the International Space Station continued on a regular basis until the Space Shuttle Columbia disaster, which resulted in a nearly three-year pause from November 2002 to July 2005. This image shows the ISS following the installation of the second External stowage platform. ESP-2 was launched on 26 July 2005 on board Discovery as part of STS-114.

Members

New Members:

Number of active members: 209. Total number of members: 434.

May Launches
All times stated here are in UTC. See a current list: here.


  1. United States Starship — 8 Starlink Simulators (27 May at 23:36:28 UTC) (partial failure)
  2. China Long March 4BTianwen-2 (28 May at 04:00 UTC) (success)
Article Statistics
This data reflects values from 30 May 2025.

Monthly Changes

Since April 2025, three new mid-importance, nine new low-importance, and three new unknown-importance articles have been created, for a total of 15 new articles. There is also one less B-class article, 14 more C-class articles, six more Start-class articles, four less Stub-class articles, and three more lists.

Discuss & propose changes to The Downlink at The Downlink talk page. To unsubscribe from the newsletter remove your name from the Mailing list.
Newsletter contributors: Ships&Space

MediaWiki message delivery (talk) 11:50, 11 June 2025 (UTC)[reply]

The Signpost: 24 June 2025

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The Signpost: 18 July 2025

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  • Traffic report: God only knows
    Wouldn't it be nice without billionaires, scandals, deaths, and wars?
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The Downlink The WikiProject Spaceflight Newsletter
2025
1 — 30 June
Volume 3 — Issue 6
Spaceflight Project • Project discussion • Members • Assessment • Open tasks • Popular pages • The Downlink
In the News
Article of the month

Gaganyaan-1 (from Sanskrit: gagana, "celestial" and yāna, "craft, vehicle") is the first planned uncrewed test flight of the Gaganyaan programme. The Indian Space Research Organisation (ISRO) has scheduled the mission for December 2025.

The spacecraft will carry Vyommitra, a half-humanoid female robot, to simulate astronaut conditions and provide critical data on life-support and environmental systems. The mission will demonstrate the performance of the crew module and service module in low Earth orbit, serving as a precursor to future human spaceflight under the Indian Human Spaceflight Programme.

The launch was originally scheduled for December 2020, then in December 2021, but it was delayed due to the COVID-19 pandemic. The flight plan was finally ready by April 2022 and the launch is expected to take place in early 2025, after the TV-D1, TV-D2, TV-D3 and TV-D4. It was proposed in April 2022 that the crew module should be depressurized, something kept in the final planning.

The Gaganyaan spacecraft will be launched, with the humanoid robot Vyommitra, by a Human-rated LVM 3 from Satish Dhawan Space Centre and inserted into a 170 x 408 km orbit. The circularisation maneuver will be performed at the third orbit. The landing should follow the same pattern as the TV-D1.

Image of the month
Hybrid-Propellant Rocket Fuel

Rocket engines typically use one of two types of propellant: Solid or liquid. Hybrid-propellant rockets use a combination of these two forms of fuel, and lack some of the disadvantages of both. Their specific impulse is usually between solid-propellant and liquid-propellant rockets. The image shown here is of a 3D-printed grain, designed for a small hybrid rocket engine which would be used to demonstrate rocket combustion. On the left are two helical fuel ports, on the right a de Laval nozzle.

Members

New Members:

Number of active members: 210. Total number of members: 436.

June Launches
All times stated here are in UTC. See a current list: here.


  1. United States Falcon 9 Block 5 — 26 Starlink (13 Jun. at 01:30) (success)
  2. Russia Angara A5 — 2 Kosmos (19 Jun. at 03:00) (success)
  3. United States Falcon 9 Block 5 — Axiom Mission 4 (25 Jun. at 06:31) (success)
  4. Japan H-IIAGOSAT-GW (28 Jun. at 16:33:03) (success)
Article Statistics
This data reflects values from 30 June 2025.

Monthly Changes

Since May 2025, one new high-importance, two new mid-importance, ten new low-importance, four new NA-importance, and twelve new unknown-importance articles have been created, for a total of 29 new articles. There is also one fewer A-class article, one more GA-class article, six more B-class articles, 13 more C-class articles, ten more Start-class articles, seven fewer Stub-class articles, and five more lists.

Discuss & propose changes to The Downlink at The Downlink talk page. To unsubscribe from the newsletter remove your name from the Mailing list.
Newsletter contributors: Ships&Space

MediaWiki message delivery (talk) 00:34, 23 July 2025 (UTC)[reply]

[edit]
The Downlink The WikiProject Spaceflight Newsletter
2025
1 — 31 July
Volume 3 — Issue 7
Spaceflight Project • Project discussion • Members • Assessment • Open tasks • Popular pages • The Downlink
In the News
  • The first launch attempt of an Australian-made rocket, Gilmour Space Technologies' Eris-1, was made on 29/30 July. The launch vehicle crashed 14 seconds after launch due to insufficient thrust.
  • The NASA-ISRO Synthetic Aperture Radar satellite launched on 30 July. The first radar imaging that uses dual frequencies, it is a joint project between NASA and ISRO, and believed to cost ~US$1.5 billion, making it one of the most expensive Earth-imaging satellites.
Featured Content
Article of the month
Artist's conception of AREE on the surface of Venus, showing the wind turbine inside the rover's frame.

Automaton Rover for Extreme Environments (AREE) is a NASA Innovative Advanced Concepts project to design a rover that can operate in the environment of Venus, controlled by a wind-powered mechanical computer. Venus's atmosphere is about 90 times denser than Earth's and the surface temperature is at least 462 °C (864 °F), conditions which would prevent a standard electronic computer from operating for any significant period of time. While AREE is being designed for operation on Venus, the rover's design could be re-purposed for use on Mercury, which has a comparably high surface temperature, on Jovian moons Europa or Io, where high radiation makes use of traditional electronics difficult, or on lava flows or highly radioactive areas on Earth.

The project was first proposed in 2015, and funded by the NASA Innovative Advanced Concepts program with a phase-I study in 2016, and a phase-II study from 2017 to 2018.

Image of the month
Buzz Aldrin's bootprint on the Moon

In July of 1969, Apollo 11 successfully fulfilled John F. Kennedy's goal of a person landing on, and returning from, the moon before the 1970s. Taking off on 16 July, the lunar lander, Eagle, touched down on the evening of the 20th (UTC). Neil Armstrong and Buzz Aldrin exited the lander six hours later, becoming the first men on the moon. The pair stayed on the lunar surface for about 21 hours. This image is actually the second of a pair of images, taken by Aldrin so that the lunar surface's ability to bear weight could be measured.

Members

New Members:

Number of active members: 213. Total number of members: 439.

June Launches
All times stated here are in UTC. See a current list: here.


  1. China Long March 4CShiyan 28B-01 (3 Jul. at 09:35) (success)
  2. Russia Soyuz-2.1aProgress MS-31 (3 Jul. at 19:31) (success)
  3. United StatesIsrael Falcon 9 Block 5 — Dror-1 (PR-8000) (13 Jul. at 05:04) (success)
  4. China Hyperbola-1 — Kunpeng-03 (Enshi Xidou Shanquan/HS-9) (29 Jul. at 04:10) (success)
  5. Australia Eris Block 1 — Jar of Vegemite (29 Jul. at 21:30) (launch failure)
  6. China Long March 8A — 9 Guowang (30 Jul. at 07:49) (success)
  7. IndiaUnited States GSLV Mark II — NISAR (30 Jul. at 12:10) (success)
Article Statistics
This data reflects values from 31 July 2025.

Monthly Changes

Since June 2025, there are seven fewer high-importance, six new mid-importance, three new low-importance, three new NA-importance, and 29 new unknown-importance articles, for a total of 34 more articles. There is also one GA-class article, three more B-class articles, three more C-class articles, 18 more Start-class articles, two fewer Stub-class articles, and one fewer lists.

Discuss & propose changes to The Downlink at The Downlink talk page. To unsubscribe from the newsletter remove your name from the Mailing list.
Newsletter contributors: Ships&Space

MediaWiki message delivery (talk) 23:48, 8 August 2025 (UTC)[reply]

The Signpost: 9 August 2025

[edit]

The Signpost: 9 September 2025

[edit]
[edit]
The Downlink The WikiProject Spaceflight Newsletter
2025
1 — 31 August
Volume 3 — Issue 8
Spaceflight Project • Project discussion • Members • Assessment • Open tasks • Popular pages • The Downlink
In the News
Article of the month

NAOS (National Advanced Optical System) is a high-resolution Earth observation satellite developed by OHB Italia for the Luxembourg Directorate of Defence as part of the Luxembourg Earth Observation System (LUXEOSys). Designed for dual-use governmental and military purposes, NAOS provides very high-resolution optical imagery for applications in defense, security, and humanitarian efforts, supporting organizations such as NATO, European Union, and the United Nations. The satellite was launched on August 26, 2025, aboard a SpaceX Falcon 9 rocket from Vandenberg Space Force Base, California.

NAOS will be operated by LUXEOPs, consortium consisting of RHEA System Luxembourg, LUXSPACE, OHB and RHEA System.

Image of the month
Apollo 15 Lunar Module

Launched on 26 July, 1971, Apollo 15 was the fourth Apollo mission to successfully land on the moon, and the first of the longer, more science-focused J Missions. Landing at Hadley–Apennine on the 30, Commander David Scott and Lunar Module Pilot James Irwin (Irwin on left) stayed on the moon's surface until 2 August, while Command Module Pilot Alfred Worden stayed in orbit, collecting a variety of data on the moon. Apollo 15 was the first mission to use the Lunar Roving Vehicle (on right), which allowed Scott and Irwin to travel farther from the Lunar Lander (center) than previously possible.

On 4 August, the lunar orbiter departed from orbit at the end of Apollo 15's 74th lunar orbit. On the 5, Worden performed an EVA which lasted 39 minutes. This was the first of three deep-space EVAs, all performed during J Missions. The command module landed in the North Pacific Ocean on the 7, with the command module and crew being recovered by USS Okinawa. Apollo 15 was the longest Apollo mission, lasting for a total of 12 days and 7 hours, until Apollo 17, which lasted 12 days, 13 hours, and 52 minutes.

Members

New Members: No new members

Number of active members: 213. Total number of members: 439.

August Launches
All times stated here are in UTC. See a current list here.


  1. France Ariane 62MetOp-SG A1 (13 Aug. at 00:37) (success)
  2. United States Vulcan Centaur VC4SNTS-3 (13 Aug. at 00:56) (success)
  3. Russia Soyuz-2.1bBion-M No.2 (20 Aug. at 17:13) (success)
  4. United States SpaceX Starship — 8 Starlink simulators (26 Aug. at 23:30) (success)
Article Statistics
This data reflects values from 31 August 2025.

Monthly Changes

Since July 2025, there is one new top-importance, one fewer high-importance, two new mid-importance, 13 new low-importance, 47 new NA-importance, and seven new unknown-importance articles, for a total of 69 more articles. There is also one more GA-class article, two more B-class articles, 18 more C-class articles, 12 more Start-class articles, and 16 fewer Stub-class articles.

Discuss & propose changes to The Downlink at The Downlink talk page. To unsubscribe from the newsletter remove your name from the Mailing list.
Newsletter contributors: User:Ships&Space

MediaWiki message delivery (talk) 18:22, 21 September 2025 (UTC)[reply]

The Signpost: 2 October 2025

[edit]
[edit]
The Downlink The WikiProject Spaceflight Newsletter
2025
1 — 30 September
Volume 3 — Issue 9
Spaceflight Project • Project discussion • Members • Assessment • Open tasks • Popular pages • The Downlink
In the News
Article of the month

Project POSTAR was the first space experiment created entirely by members of the Boy Scouts of America. On September 12, 1992, Space Shuttle Endeavour mission STS-47 carried 10 Get Away Special (GAS) canisters. Amongst these GAS cansisters was G-102 sponsored by the Boy Scouts of America's Exploring Division in cooperation with the TRW Systems Integration Group, Fairfax, Virginia. The project was named Project POSTAR. (The name was a combination of the words "Post" and "Star").

Image of the month
Space Shuttle Enterprise

The Space Shuttle Enterprise (OV-101) was the first orbiter built in the Space Shuttle program. Designed for atmospheric test flights, it lacked both engines and a heat shield, making it unable to go to space. Rolled out on 17 September 1976, it was initially named Constitution, but was renamed following a large letter-writing campaign from Trekkies. Unlike its eponym, the USS Enterprise from the original Star Trek series, OV-101 never achieved spaceflight; originally intended to be refitted to become the second space-rated orbiter after Columbia, changes to the design of the Space Shuttle made it both simpler and cheaper to instead construct a new shuttle, Challenger, around a test article. It was later considered for refitting following the Challenger disaster, but it was instead decided to build a replacement, Endeavour, out of spare parts from the construction of Discovery and Atlantis.

Enterprise flew a total of five times, from 12 August to 26 October, 1977. It was then flown to Marshall Space Flight Center in Alabama, where it was placed into the Saturn V dynamic test stand for the Mated Vertical Ground Vibration Testing, in order to test the Space Shuttle's launch stack. It was then used for a variety of fit checks at Kennedy Space Center and Vandenberg Air Force Base, between which it toured Europe and North America, including a showing at the 1984 Louisiana World Exposition. It was then moved to the Smithsonian Institution's National Air and Space Museum on 18 November 1985. It was then moved to its present location aboard the USS Intrepid museum ship on 12 December 2011.

Members

New Members:

Number of active members: 214. Total number of members: 440.

September Launches
All times stated here are in UTC. See a current list here.


  1. United States Falcon 9 Block 5 — 28 Starlink (5 Sept. at 13:56) (success)
  2. United States Falcon 9 Block 5 — 24 Starlink (6 Sept. at 18:06) (success)
  3. United StatesIndonesia Falcon 9 Block 5Nusantara Lima (12 Sept. at 00:56) (success)
  4. China Long March 2DShiyan 30A/B (29 Sept. at 03:00) (success)
Article Statistics
This data reflects values from 30 September 2025.

Monthly Changes

Since August 2025, there are seven fewer high-importance, seven more mid-importance, 28 more low-importance, three more NA-importance, and twelve more unknown-importance articles, for a total of 43 more articles. There is also one more GA-class article, 11 fewer B-class articles, 28 fewer C-class articles, 65 more Start-class articles, 42 fewer Stub-class articles, and two more lists.

Discuss & propose changes to The Downlink at The Downlink talk page. To unsubscribe from the newsletter remove your name from the Mailing list.
Newsletter contributors: Ships&Space

MediaWiki message delivery (talk) 07:11, 19 October 2025 (UTC)[reply]

The Signpost: 20 October 2025

[edit]
  • Traffic report: One click after another
    Serial-killer miniseries, deceased scientist, government shutdowns and Sandalwood hit "Kantara" crowd the tubes.

The Signpost: 10 November 2025

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The Signpost: 1 December 2025

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  • Comix: Madness
    It could happen to anyone.