Tag Archives: Noachis Terra

THEMIS: Matara Crater’s sand sheet

THEMIS Image of the Day, April 25, 2017. Today’s false color image shows part of the floor of Matara Crater, including the sand sheet with surface dune forms. Matara Crater is located in Noachis Terra, the oldest part of the … Continue reading

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THEMIS: Sand trap in Noachis Terra

THEMIS Image of the Day, April 19, 2017. Today’s false color image shows a sand sheet with surface dune forms on the floor of an unnamed crater in Noachis Terrra. The blue false color suggests that the dune sands are … Continue reading

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THEMIS: Gullies eroding rim of Noachis Terra crater

THEMIS Image of the Day, April 3, 2017. Many gullies dissect the inner rim of this unnamed crater in Noachis Terra. More THEMIS Images of the Day by geological topic.

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THEMIS: Heap of dunes in Noachis Terra crater

THEMIS Image of the Day, March 31, 2017. This VIS image shows a portion of a sand sheet with surface dune forms on the floor of an unnamed crater in Noachis Terra. More THEMIS Images of the Day by geological … Continue reading

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THEMIS: Rim gullies & dunes in Noachis crater

THEMIS Image of the Day, March 16, 2017. Today’s false color image shows part of the floor of an unnamed crater in Noachis Terra. A small field of dunes is visible in the bottom left corner of the full image, … Continue reading

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THEMIS: Waves of dunes on Proctor Crater floor

THEMIS Image of the Day, March 8, 2017. This VIS image shows the large dune field located on the floor of Proctor Crater in Noachis Terra. More THEMIS Images of the Day by geological topic.

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THEMIS: Noachis Terra dunes and gullies

THEMIS Image of the Day, February 23, 2017. This VIS image shows part of an unnamed crater in Noachis Terra. Large gullies dissect the crater rim and dunes are located on the crater floor. (If gullies look like ridges, remember … Continue reading

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THEMIS: Lines of dunes in Noachis Terra crater

THEMIS Image of the Day, Februrary 2, 2017. This VIS image shows sand dunes on the floor of an unnamed crater in Noachis Terra. Since Mars is universally dusty, the darker tone of the dunes shows they are relatively free … Continue reading

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THEMIS: Field of dunes in Sumgin Crater

THEMIS Image of the Day, January 30, 2017. Today’s VIS image shows sand dunes on the floor of Sumgin Crater. The crater is located in Noachis Terra north of Argyre Planitia. The dunes’ darker tone suggests they are relatively dust-free … Continue reading

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THEMIS: Channels in Noachis Terra craters

THEMIS Image of the Day, January 11, 2017. This VIS image shows several channels in and around unnamed craters in Noachis Terra. (If the channels look more like tubes or worms, remember that the sunlight is coming from the right … Continue reading

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