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antisatellite combined form of satellite.
apogee the point in the orbit of the moon or of a man-made satellite that is farthest from the earth. (Cf. perigee.) [1/2 definitions]
Charon the only known satellite of the planet Pluto. [1/2 definitions]
dish antenna a radio antenna with a round, concave reflector, used to receive or send satellite and microwave signals.
geostationary of or pertaining to a satellite or spacecraft that travels around the earth's equator at a speed equal to the earth's rotation so as to maintain a constant relation to points on the earth's surface.
global positioning device a navigational device, usu. hand-held or installed in a vehicle, that uses the Global Positioning System, a global satellite positioning system, or other similar means to determine one's exact location.
Global Positioning System a public satellite navigation system designed and controlled by the U.S. Department of Defense that provides an accurate global time reference and is used to determine a precise location on Earth.
GPS abbreviation of "Global Positioning System," a public satellite navigation system designed and controlled by the U.S. Department of Defense that provides an accurate global time reference and is used to determine a precise location on Earth.
killer satellite an orbiting satellite that can be directed to a target satellite and destroy it.
Landsat any of several U.S. satellites that gather and transmit data about the earth (acronym for "land satellite").
moon the earth's natural satellite, revolving completely around the earth from east to west in about twenty-eight days and accompanying the earth in its orbit around the sun. [3/6 definitions]
orbit the curved path in which a planet, satellite, or spacecraft revolves about another body. [1/7 definitions]
perigee in astronomy, the point in the orbit of a moon or other satellite at which it is closest to the earth. (Cf. apogee.)
Pluto the smallest planet in the solar system and farthest from the sun, having one known satellite with two more not yet confirmed, and a diameter of about 2,110 miles. [1/2 definitions]
Roche limit the lowest altitude at which a natural satellite can form and orbit a planet or the like without being disturbed by gravitational forces.
satellite of, relating to, or comprising a satellite. [1/5 definitions]
satellite dish a dish antenna designed to receive and transmit electromagnetic signals relayed by satellite, commonly used to receive television signals broadcast by satellite.
space station a large artificial satellite in long-term orbit, designed to be used as a military outpost, scientific research laboratory, or site for the assembly and launching of other spacecraft.
superstation an independent television station whose broadcasts are relayed by satellite to cable television systems beyond the local broadcast area.
telemetry the science, technology, or process of gathering and transmitting data automatically over great distances, as from an artificial satellite to a monitoring station on earth.
Titan the largest satellite of the planet Saturn. [1/3 definitions]