Tag Archives: south polar ice cap

Volcanism under the south pole ice cap of Mars?

A study published last year in the journal Science suggested liquid water is present beneath the south polar ice cap of Mars. Now, a new study in the AGU journal Geophysical Research Letters argues there needs to be an underground … Continue reading

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THEMIS: South polar ice cap in summer

THEMIS Image of the Day, January 24, 2019. This VIS image of the south polar cap was taken during the middle of southern hemisphere summer. The surface is free of frost and the layering that makes up the cap is … Continue reading

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HiRISE: Impact near the south pole

This image shows a new impact crater that formed between July and September 2018. It’s notable because it occurred in the seasonal southern ice cap, and has apparently punched through it, creating a two-toned blast pattern. The impact hit on … Continue reading

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THEMIS: South polar ice cap layers

THEMIS Image of the Day, January 7, 2019. Today’s VIS image shows a small part of the south polar cap. The layering of the cap is easy to see. The layers record the seasonal deposition of dust and ice over … Continue reading

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THEMIS: South polar ice cap layers

THEMIS Image of the Day, December 31, 2018. This VIS image is located along the edge of the south polar cap. In the upper right corner the non-polar surface is visible. The tightly packed layers to the left are the … Continue reading

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THEMIS: Clouds over south polar cap layers

THEMIS Image of the Day, December 25, 2018. This line of clouds is located over the ice of the south polar cap. At the time of year when this VIS image was collected (southern hemisphere summer), clouds are a common … Continue reading

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THEMIS: On the edge of the south polar ice cap

THEMIS Image of the Day, December 20, 2018. At the bottom of this image is the layered edge of the south polar cap. There are more layers visible between the bright polar material and the dark sand dunes at the … Continue reading

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THEMIS: Clouds on a summer’s day

THEMIS Image of the Day, December 18, 2018. During southern summer, clouds are a common occurrence over the south polar cap. These dust clouds started as small dust devils visible near the top right corner of this VIS image. See … Continue reading

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THEMIS: Cloudy day over the south polar ice cap

THEMIS Image of the Day, December 17, 2018. This VIS image shows a layer of clouds over the south polar cap. See more THEMIS Images of the Day by geological subject.

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HiRISE: The enduring charm of spiders

Araneiform terrain (colloquially: spider-like terrain) is located in the south polar region of Mars and evolves in appearance over the spring and summer. In the season shown here, the thin bright lines on the surface (the spider legs) are troughs … Continue reading

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