Search results

In astronomy, magnitude is measure of the brightness of an object, usually in a defined passband. An imprecise but systematic determination of the magnitude...

A sample-return mission is a spacecraft mission to collect and return samples from an extraterrestrial location to Earth for analysis. Sample-return missions...

The KH-11 KENNEN (later renamed CRYSTAL, then Evolved Enhanced CRYSTAL System, and codenamed 1010: 82  and Key Hole: 82 ) is a type of reconnaissance satellite...

Space launch market competition is the manifestation of market forces in the launch service provider business. In particular it is the trend of competitive...

In astronomy, a conjunction occurs when two astronomical objects or spacecraft appear to be close to each other in the sky. This means they have either...

The staged combustion cycle (sometimes known as topping cycle, preburner cycle, or closed cycle) is a power cycle of a bipropellant rocket engine. In the...

RISAT-2, or Radar Imaging Satellite-2 was an Indian radar imaging reconnaissance satellite that was part of India's RISAT programme. It was built by Indian...

Crew Space Transportation System (CSTS), or Advanced Crew Transportation System (ACTS), was a proposed design for a crewed spacecraft for low Earth orbit...

The rocker-bogie system is the suspension arrangement developed in 1988 for use in NASA's Mars rover Sojourner, and which has since become NASA's favored...

The Gemini Planet Imager (GPI) is a high contrast imaging instrument that was built for the Gemini South Telescope in Chile. The instrument achieves high...

Space Shuttle Mission 2007 is a Space Shuttle stand-alone mission simulator for Microsoft Windows. The simulator was released on January 1, 2008 after...

Atala (minor planet designation: 152 Atala) is a large main belt asteroid that was discovered by brothers Paul Henry and Prosper Henry on 2 November 1875...

Robert A. Schommer (December 9, 1946 – December 12, 2001) was an American observational astronomer. He was a professor at Rutgers University and later...

69°39′43″N 18°56′32″E / 69.66196°N 18.94225°E / 69.66196; 18.94225 Kongsberg Satellite Services AS (KSAT) is a Norwegian-based company. KSAT has the...

SatNOGS (Satellite Networked Open Ground Station) project is a free software and open source hardware platform aimed to create a satellite ground station...

A small telescope is generally considered by professional astronomers to be any reflecting telescope with a primary mirror that is less than 2 metres (80 in)...

Elizabeth J. Tasker (born 12 July 1980) is a British astrophysicist and science writer. Tasker is currently an Associate Professor at the Japan Aerospace...