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A hellacious two weeks on Jupiter's moon Io

Three massive volcanic eruptions occurred on Jupiter's moon Io within a two-week period last August, leading astronomers to speculate that these presumed rare "outbursts," which can send material hundreds of miles above the ...

dateAug 04, 2014 in Space Exploration
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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 carved these features.

dateJun 03, 2014 in Space Exploration
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Against the current with lava flows

Primeval lava flows formed the massive canyons and gorge systems on Mars. Water, by contrast, was far too scarce on the red planet to have cut these gigantic valleys into the landscape. This is the conclusion of several years ...

dateMay 12, 2014 in Space Exploration
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