Tag Archives: CO2 frost

HiRISE: Outbreak

Posted on September 16, 2014 by rburnham

Outbreak. These are examples of carbon dioxide frost around areas where the ice has sublimated (gone directly from a solid to a gas). Beautiful Mars series.

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HiRISE: Light, shadow, and frost

Posted on August 21, 2014 by rburnham

Light, shadow, and frost. The frost is carbon dioxide, less likely to sublimate (going direcly from a solid to a gas) in shadow than fully exposed to the Sun. Beautiful Mars series.

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Mars gullies carved by CO2 frost, not water?

Posted on July 10, 2014 by rburnham

Repeated high-resolution observations made by NASA’s Mars Reconnaissance Orbiter (MRO) indicate the gullies on Mars’ surface are primarily formed by the seasonal freezing of carbon dioxide, not liquid water. The first reports of formative gullies on Mars in 2000 generated … Continue reading →

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