Page 26 - Universe dictionary by Futura-Sciences

Alphabetical index

SPOT The SPOT (Satellite Pour l'Observation de la Terre, ...	SPOT 5 The SPOT 5 (Système Pour l’Observation de la Terre or ...
Spring equinox The spring equinoxes (20, 21 or 22 March in the northern ...	SS-18 The SS-18 is an intercontinental nuclear missile (nickname: ...
Standard model The Standard model is the set of all the laws of fundamental ...	Star An approximately spherical celestial body composed of very ...
Stardust The fourth probe in the NASA Discovery programme, Stardust ...	Starsem Starsem is the Soyuz company, gathering together the main ...
Stealth Stealth refers to an aircraft that has a weak or barely ...	Stellar aberration A stellar aberration is an apparent shift in the observed ...
STEREO The NASA STEREO mission was chosen in 2000 and it was ...	Storable propellant stage. An upper storable propellant stage is the last part of an ...
Suborbital Suborbital describes the trajectory of an aerospace vessel ...	Summer solstice On the day of the summer solstice the Earth is showing its ...
Sun The star at the centre of the solar system. The Sun is the ...	Sun-synchronous A Sun-synchronous, or heliosynchronous, orbit is one in a ...
Sundancer Sundancer was the name of a future inhabitable inflatable ...	Sunspot A dark zone appearing intermittently on the apparent surface ...
Supercluster A supercluster is a high concentration of hundreds or ...	Supergalactic coordinate A supergalactic coordinate is a coordinate system based on ...