Tag Archives: Shallow Radar

Spiral troughs in Mars polar caps are born in ‘cyclic steps’

Posted on October 15, 2013 by rburnham

Both Martian polar caps have deep spiral troughs that slice into them for dozens or hundreds of kilometers, but their origin and development has been much debated by scientists. New work by a team of researchers led by Isaac Smith … Continue reading →

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Subsurface radar profiles Marte Vallis outflow channel in 3D

Posted on March 14, 2013 by rburnham

Ground-penetrating radar on NASA’s Mars Reconnaissance Orbiter (MRO) reveals buried channels that show floods of water from Cerberus Fossae eroded Marte Vallis in two distinct stages, and they did so to a much greater extent than is visible today. The … Continue reading →

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South polar CO2 ice could double Mars’ atmosphere

Posted on July 28, 2011 by rburnham

Results from the Shallow Radar (SHARAD) instrument on NASA’s Mars Reconnaissance Orbiter show that the south polar layered deposits on Mars hold about 30 times as much carbon dioxide ice as previously known. If this CO2 were released into the … Continue reading →

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