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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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Just the Facts
Just the Facts
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Dig Deeper
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Create Your Report
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Even More Stuff...
Even More Stuff...
  Explore Mars in 3D Videos Activities

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Mars in a Minute: How Do You Land on Mars?
Mars in a Minute: How Do You Land on Mars?
Mars in a Minute: How Hard Is It to Land Curiosity on Mars?
Mars in a Minute: How Hard Is It to Land...
Will Wheaton and the Grand Entrance
Will Wheaton and the Grand Entrance
William Shatner and the Grand Entrance
William Shatner and the Grand Entrance
The Science of Curiosity
The Science of Curiosity
Martian Dune Buggy
Martian Dune Buggy
Curiosity's Seven Minutes of Terror
Curiosity's Seven Minutes of Terror
Mars in a Minute: How Do You Get to Mars?
Mars in a Minute: How Do You Get to Mars?
The Challenges of Getting to Mars -- Transporting a Mars Rover
The Challenges of Getting to Mars --...
Mars in a Minute: Is Mars Really Red?
Mars in a Minute: Is Mars Really Red?
Rover's Eye View of Three-Year Trek on Mars
Rover's Eye View of Three-Year Trek on Mars
Next Mars Rover in Action
Next Mars Rover in Action
ScienceCast: The Strange Attraction of Gale Crater
ScienceCast: The Strange Attraction of Gale...
Mars Rover Remembered
Mars Rover Remembered
NASA 360 Season 3, Show 19
NASA 360 Season 3, Show 19
Mars Science Laboratory Curiosity Rover Animation
Mars Science Laboratory Curiosity Rover...
Previous
    1     2     3     4     5     6     7     8    
Next
Previous
    1     2     3     4     5     6     7     8    
Next
Mars in a Minute: How Do You Land on Mars?
Mars in a Minute: How Do You Land on Mars?
Mars in a Minute: How Hard Is It to Land Curiosity on Mars?
Mars in a Minute: How Hard Is It to Land...
Will Wheaton and the Grand Entrance
Will Wheaton and the Grand Entrance
William Shatner and the Grand Entrance
William Shatner and the Grand Entrance
The Science of Curiosity
The Science of Curiosity
Martian Dune Buggy
Martian Dune Buggy
Curiosity's Seven Minutes of Terror
Curiosity's Seven Minutes of Terror
Mars in a Minute: How Do You Get to Mars?
Mars in a Minute: How Do You Get to Mars?
The Challenges of Getting to Mars -- Transporting a Mars Rover
The Challenges of Getting to Mars --...
Mars in a Minute: Is Mars Really Red?
Mars in a Minute: Is Mars Really Red?
Rover's Eye View of Three-Year Trek on Mars
Rover's Eye View of Three-Year Trek on Mars
Next Mars Rover in Action
Next Mars Rover in Action
ScienceCast: The Strange Attraction of Gale Crater
ScienceCast: The Strange Attraction of Gale...
Mars Rover Remembered
Mars Rover Remembered
NASA 360 Season 3, Show 19
NASA 360 Season 3, Show 19
Mars Science Laboratory Curiosity Rover Animation
Mars Science Laboratory Curiosity Rover...
Previous
    1     2     3     4     5     6     7     8    
Next