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Mysteries of the Milky Way
Europa
Beyond Hubble
A look inside the universe
Apollo
Apollo 11Apollo 12Apollo 13Apollo 14Apollo 15Apollo 16Apollo 17In Memory of Alan ShepardAstronomy
Black HolesDark MatterAstronomy UpdatesAstrophysics
Quantum GravityQuantum MechanicsGeneral RelativityBlack Hole ThermodynamicsComments
Advertise With The StarGateFaster than light
Worm HoleswormholesTraveling To Other StarsSatellites
PhobosDeimosMoonTritonNeriedTitanCallistoSpace Crafts
Mars Global SurveyorGalileoMars Polar Space ProbePioneer 10Mars PathfinderDeep Space 1StarDustVoyager 2CassiniMars Climate OrbiterUlyssesThe systems of our world
VenusMercuryEarthMarsJupiterSaturnUranusNeptunePlutoThe Missions to Mars|
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| Mars- Mars is the only planet whose surface can be seen in detail from the earth. It is reddish in color and was named "Mars" after the Roman god of war. Mars is the fourth planet from the sun, and the next planet from the earth. Its distance from the sun is 141,700,000 miles. Its closest approach to earth is 48,700,000 miles. The diameter of Mars is about 4,200 miles, a little over half that of the earth. Pluto and Mercury are the only planets smaller than Mars.The surface conditions on Mars are more like the earth's than any other planet. But the presence of plants and animals could not live on Mars. The temperature on Mars ranges from -191 to -24 degrees F.(-124 to -31 C.). The atmosphere is made up of:Carbon dioxide,nitrogen,argon,oxygen,carbon monoxide,neon,krypton,xenon, and water vapor.Mars has two satellites, Phobos and Deimos. Phobos is the largest and the closest one of the two to Mars. Its diameter is about 14 miles and it travels around Mars in 7 1/2 hours.Deimos is about 6 miles is diameter.  |
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