View Full Version : Carbon Dioxide Not Water Creating Gullies on Mars, New Study Says

2010-Oct-29, 06:10 PM
Intriguing images of brand new, fresh gullies on Mars has most of us thinking of one thing: water. But at least for one type of Mars gully, carbon dioxide frost is the impetus behind fresh flows showing up on images from orbiting spacecraft. “Gullies that look like this on Earth are caused by flowing water, [...]

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