Jump to content

File:Boomerang nebula - ALMA-HST-- Potw1724a.tif

Page contents not supported in other languages.
This is a file from the Wikimedia Commons
From Wikipedia, the free encyclopedia

Original file (1,762 × 1,762 pixels, file size: 8.89 MB, MIME type: image/tiff)

Summary

Description
English: True shape of the Boomerang

This Picture of Week shows the Boomerang Nebula, a protoplanetary nebula, as seen by the Atacama Large Millimeter/submillimeter Array (ALMA). The background purple structure, as seen in visible light with the NASA/ESA Hubble Space Telescope, shows a classic double-lobe shape with a very narrow central region. ALMA’s ability to see the cold molecular gas reveals the nebula’s more elongated shape, in orange.

Since 2003 the nebula, located about 5000 light-years from Earth, has held the record for the coldest known object in the Universe. The nebula is thought to have formed from the envelope of a star in its later stages of life which engulfed a smaller, binary companion. It is possible that this is the cause of the ultra-cold outflows, which are illuminated by the light of the central, dying star.

ALMA looked at the nebula’s central dusty disc and the outflows further out, which span a distance of almost four light-years across the sky. These outflows are even colder than the cosmic microwave background, reaching temperatures below –270 °C. The outflows are also expanding at a speed of 590 000 kilometres per hour.

Link

   NRAO press release

Credit:

ALMA (ESO/NAOJ/NRAO)/R. Sahai

Coordinates 
Position (RA):	12 44 46.10
Position (Dec):	-54° 31' 12.87"
Field of view:	0.37 x 0.37 arcminutes
Orientation:	North is 0.1° left of vertica
Colours & filters Band	Wavelength	Telescope
Optical V	606 nm	Hubble Space Telescope ACS
Radio 12CO	880 μm	Atacama Large Millimeter/submillimeter Array Band 7 
Optical V	606 nm	Hubble Space Telescope ACS
.
Date 12 June 2017, 06:00 (Release)
Source http://www.eso.org/public/images/potw1724a/ http://www.eso.org/public/archives/images/original/eso1724a.tif
Author

Credit:

ALMA (ESO/NAOJ/NRAO)/R. Sahai
Permission
(Reusing this file)
This media was created by the European Southern Observatory (ESO).
Their website states: "Unless specifically noted, the images, videos, and music distributed on the public ESO website, along with the texts of press releases, announcements, pictures of the week, blog posts and captions, are licensed under a Creative Commons Attribution 4.0 International License, and may on a non-exclusive basis be reproduced without fee provided the credit is clear and visible."
To the uploader: You must provide a link (URL) to the original file and the authorship information if available.
w:en:Creative Commons
attribution
This file is licensed under the Creative Commons Attribution 4.0 International license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.

Captions

Add a one-line explanation of what this file represents

Items portrayed in this file

depicts

image/tiff

2990ac6bd7d5dbb8f3caef42112441b4f81c7d1e

9,317,580 byte

1,762 pixel

1,762 pixel

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current21:43, 24 June 2017Thumbnail for version as of 21:43, 24 June 20171,762 × 1,762 (8.89 MB)Fabian RRRRwrong file
06:00, 12 June 2017Thumbnail for version as of 06:00, 12 June 20171,762 × 1,762 (17.82 MB)Fabian RRRR=={{int:filedesc}}== {{Information |description={{en|1=True shape of the Boomerang This Picture of Week shows the Boomerang Nebula, a protoplanetary nebula, as seen by the Atacama Large Millimeter/submillimeter Array (ALMA). The background purple str...

The following page uses this file:

Global file usage

The following other wikis use this file:

Metadata