IKAROS (Interplanetary Kite-craft Accelerated by Radiation Of the Sun) is a Japan Aerospace Exploration Agency (JAXA) experimental spacecraft. The spacecraft was launched on 21 May, 2010, aboard an H-IIA rocket,…

Nuclear Spectroscopic Telescope Array (NuSTAR) is a planned space-based X-ray telescope that will use a Wolter telescope to focus high energy X-rays at 5 to 80 keV from astrophysical sources,…

Phoenix was a robotic spacecraft on a space exploration mission on Mars under the Mars Scout Program. The Phoenix lander descended on Mars on May 25, 2008. Mission scientists used…

The Time History of Events and Macroscale Interactions during Substorms (THEMIS) mission was originally a constellation of five NASA satellites to study energy releases from Earth's magnetosphere known as substorms,…

Cluster I was a constellation of four European Space Agency spacecraft which were launched on the maiden flight of the Ariane 5 rocket, Flight 501, and subsequently lost when that…

Cluster II is a space mission of the European Space Agency, with NASA participation, to study the Earth's magnetosphere over the course of an entire solar cycle. The mission is…

COROT (French: COnvection ROtation et Transits planétaires; English: COnvection ROtation and planetary Transits) is a space mission led by the French Space Agency (CNES) in conjunction with the European Space…

Envisat ("Environmental Satellite") is an Earth observation satellite. Its objective is to service the continuity of European Remote-Sensing Satellite missions, providing additional observational parameters to improve environmental studies. In working…

CryoSat-1, also known as just CryoSat, was a European Space Agency satellite which was lost in a launch failure in 2005. It was to have been operated as part of…

CryoSat is an ESA programme which will monitor variations in the extent and thickness of polar ice through use of a satellite in low Earth orbit. The information provided about…