astronomy satellite - a satellite equipped with a telescope to observe infra-red radiation

communications satellite - an artificial satellite that relays signals back to earth; moves in a geostationary orbit

equipment - an instrumentality needed for an undertaking or to perform a service

solar array, solar battery, solar panel - electrical device consisting of a large array of connected solar cells

ballistic capsule, space vehicle, spacecraft - a craft capable of traveling in outer space; technically, a satellite around the sun

space laboratory, space platform, space station - a manned artificial satellite in a fixed orbit designed for scientific research

sputnik - a Russian artificial satellite; "Sputnik was the first man-made satellite to orbit the earth"

spy satellite - a satellite with sensors to detect nuclear explosions

meteorological satellite, weather satellite - a satellite that transmits frequent picture of the earth below

follower - an ordinary person who accepts the leadership of another

celestial body, heavenly body - natural objects visible in the sky

Deimos - the outer of two small satellites of Mars

Galilean satellite, Galilean - one of the four satellites of Jupiter that were discovered by Galileo

moon - any natural satellite of a planet; "Jupiter has sixteen moons"

moon - the natural satellite of the Earth; "the average distance to the moon is 384,400 kilometers"; "men first stepped on the moon in 1969"

Phobos - the larger of the two satellites of Mars

Titan - the largest of the satellites of Saturn; has a hazy nitrogen atmosphere

broadcast, air, transmit, beam, send - broadcast over the airwaves, as in radio or television; "We cannot air this X-rated song"

outer - being on the outside or further from a center; "spent hours adorning the outer man"; "the outer suburbs"