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The Red Planet
Mars is a cold desert world. It is half the diameter of Earth and has the same amount of dry land. Like Earth, Mars has seasons, polar ice caps, volcanoes, canyons and weather, but its atmosphere is too thin for liquid water to exist for long on the surface. There are signs of ancient floods on Mars, but evidence for water now exists mainly in icy soil and thin clouds.

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Help NASA Find Life On Mars With MAPPER
Help NASA Find Life On Mars With MAPPER
Would you like to participate in NASA's analog research program? Now you can with MAPPER.Read More...
Jupiter's
Jupiter's "Grand Tack" Reshaped the Solar System
Jupiter, long settled in its position as the fifth planet from our sun, was a rolling stone in its youth.Read More...
Out of Thin Martian Air
Out of Thin Martian Air
Mars has lost an ocean's worth of water, but to find where it all went will take satellites and computer models working in conjunction.Read More...
NASA Spacecraft Data Suggest Water Flowing on Mars
NASA Spacecraft Data Suggest Water Flowing on Mars
Observations from NASA's Mars Reconnaissance Orbiter have revealed possible flowing water during the warmest months on Mars.Read More...
The Heartbeat of the Mars Exploration Rovers
The Heartbeat of the Mars Exploration Rovers
Spirit gets it juice for an extended tour of Mars from special batteries.Read More...
 
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Help NASA Find Life On Mars With MAPPER
Help NASA Find Life On Mars With MAPPER
Would you like to participate in NASA's analog research program? Now you can with MAPPER.Read More...
Jupiter's
Jupiter's "Grand Tack" Reshaped the Solar System
Jupiter, long settled in its position as the fifth planet from our sun, was a rolling stone in its youth.Read More...
Out of Thin Martian Air
Out of Thin Martian Air
Mars has lost an ocean's worth of water, but to find where it all went will take satellites and computer models working in conjunction.Read More...
NASA Spacecraft Data Suggest Water Flowing on Mars
NASA Spacecraft Data Suggest Water Flowing on Mars
Observations from NASA's Mars Reconnaissance Orbiter have revealed possible flowing water during the warmest months on Mars.Read More...
The Heartbeat of the Mars Exploration Rovers
The Heartbeat of the Mars Exploration Rovers
Spirit gets it juice for an extended tour of Mars from special batteries.Read More...
 
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