Tag Archives: Medusae Fossae

HiRISE: Rhythmic layers east of Medusae Fossae

The surface of this image looks wavy, like that of the sea. These wave shapes are the result of erosion: the removal of material, which has been ongoing for millions, if not billions, of years. This erosion is likely performed … Continue reading

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Medusae Fossae formation is likely a deposit from explosive volcanism

[Editor’s note: From a paper by Lujendra Ojha and Kevin Lewis recently published in the Journal of Geophysical Research.] The Medusae Fossae Formation is one of the largest sedimentary deposits on Mars. Its origin is uncertain, though several processes including volcanic, … Continue reading

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THEMIS: Wind, dust, and gravity in Medusae Fossae

THEMIS Image of the Day, April 10, 2018. This VIS image is located in Medusae Fossae. Along the cliffside several dark streaks are visible. It is thought that these streaks mark the location where downslope movement of material has removed … Continue reading

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