News tagged with mars reconnaissance orbiter

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New evidence for ancient ocean on Mars

Did a vast ocean once cover Mars' northern plains? The idea has been hotly debated among scientists for the past 20 years, ever since Viking Orbiter images revealed possible ancient shorelines near the pole. ...

Feb 17, 2014
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Lava, not water, formed canyons on Mars

The canyon-like scars which line Mars' crust are seen by many as evidence for liquid water. But a study now suggests that a different kind of fluid – one much less hospitable to life – may actually have ...

Jun 03, 2014
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A habitable environment on Martian volcano?

(Phys.org) —Heat from a volcano erupting beneath an immense glacier would have created large lakes of liquid water on Mars in the relatively recent past. And where there's water, there is also the possibility ...

May 27, 2014
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