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Mars: Exploring the Red Planet

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Was Mars once habitable?

That's the question national space agencies continue to seek answers to in various missions to Mars. Mars rovers are scouring the Red Planet for signs of ancient water and conditions conducive to life. Anything scientists learn about the past and present state of Mars could identify methods we can use to help manage Earth's geological evolution.

In this free download, we share what scientists have learned about Mars from the Curiosity, Spirit, Opportunity and other rovers. What is Mars' atmosphere made of? How does Mars compare to Earth? When will we launch a manned mission to Mars?

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