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Tag Archives: grooves
Phobos grooves produced by rolling boulders
[Ed. note: This research was described previously here.] Planetary Geomorphology Image of the Month, January 1, 2019: Kenneth Ramsley (Brown University). All but one region of Phobos, the largest moon of Mars, is covered by hundreds of valley-like features, usually … Continue reading
Did rolling stones made Phobos groovy?
A new study bolsters the idea that strange grooves crisscrossing the surface of the Martian moon Phobos were made by rolling boulders blasted free from an ancient asteroid impact. The research, published in Planetary and Space Science, uses computer models … Continue reading
Dry ice slabs carve linear grooves down Mars dunes
The “megadune” in Russell Crater features linear grooves or gullies a few meters wide, a meter or two deep, and roughly a kilometer or two long.
Posted in Reports
Tagged atmosphere, CO2 ice, dunes, grooves, gullies, HiRISE, linear gullies, Russell Crater
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