Page 2 - Letter A - Universe dictionary by Futura-Sciences

Alphabetical index

Apastron In an elliptical orbit the apastron is the furthest point ...	Aphelion The aphelion is the point on an orbit that is furthest from ...
Apogee The apogee is the point on the orbit of the Moon or an ...	Apogee kick motor An apogee kick motor is a satellite propulsion system, ...
Apollo Apollo was the American lunar space exploration programme ...	Apollo 1 Apollo 1 was the first manned Apollo mission, and also the ...
Apollo 11 The first mission to land on the Moon was Apollo 11. Its ...	Apparent coordinates Apparent coordinates are coordinates giving the direction of ...
Apparent magnitude Apparent magnitude is a measurement used to indicate the ...	Apparent movement Apparent movement is the slow shift in the apparent ...
Appulse Appulse is when a celestial body passes close to the edge of ...	Aqua The AQUA satellite was put into orbit on 4 May 2002 by NASA ...
Ares I Ares I, (ex CLV - Crew Launch Vehicle) was the launcher ...	Ares V Ares V was to have been a two-stage cargo launcher with ...
Ariane 5 Ariane 5 is a launcher composed of a single-stage central ...	Arianespace Since it was created in 1980 as the first commercial space ...
Ariel A satellite of Uranus. Ariel (Uranus I) was discovered by ...	Arms In a spiral galaxy, the arms form the spiral of the disk. ...
ASPERA Analyser of Space Plasmas and Energetic Atoms, carried on ...	Asteroid Celestial body in the solar system with a size between a few ...