Tag Archives: Noachis Terra

THEMIS: Noachis Terra crater floor

THEMIS Image of the Day, May 28, 2019. Today’s image shows the floor of an unnamed crater in Noachis Terra. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create … Continue reading

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THEMIS: Noachis Terra in false color

THEMIS Image of the Day, May 8, 2019. Today’s false color image shows part of Noachis Terra. The large craters are unnamed, as is the channel in the center of the image. Dark blue tones in this false color image … Continue reading

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THEMIS: Sand sheet, dunes in Matara Crater

THEMIS Image of the Day, April 22, 2019. Today’s VIS image shows the floor of Matara Crater. A large sand sheet with surface dune forms dominates the floor of this crater located in Noachis Terra. The dunes’ dark tone indicates … Continue reading

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THEMIS: Noachis Terra in false color

THEMIS Image of the Day, April 11, 2019. This false-color image is located in northern Noachis Terra. Evros Vallis is located just below the large crater at the top of the image. The THEMIS VIS camera contains 5 filters. The … Continue reading

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Mars Express: Dark dust devil tracks

The winds of Mars are responsible for myriad features across the planet’s surface – including the dark dunes and wispy, filament-like streaks seen in this image from ESA’s Mars Express. The intriguing features shown here are ‘dust devil’ tracks: as … Continue reading

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THEMIS: Dunes in a Noachis Terra crater

THEMIS Image of the Day, March 19, 2019. This VIS image shows part of the floor of an unnamed crater in Noachis Terra. Individual dunes and a large sand sheet with surface dune morphology fill a large area of the … Continue reading

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HiRISE: Recent impact site in Noachis Terra

This image shows a recent impact in Noachis Terra in the southern mid-latitudes of Mars. The impact occurred in dark-toned ejecta material from a degraded, 60-kilometer crater to the south. Rather than a single impact crater, we see multiple impacts … Continue reading

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THEMIS: Gullies in craters

THEMIS Image of the Day, February 12, 2019. Today’s VIS image shows part of an unnamed crater in Noachis Terra. Several craters in the southern hemisphere contain floor fill that has subsequently been eroded to form depressions in the fill … Continue reading

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THEMIS: Noachis crater dunes

THEMIS Image of the Day, February 8, 2019. Sand dunes cover part of the floor of this unnamed crater in Noachis Terra. Their dark tint suggests they are relatively free of light-toned dust, hence probably active under winds currently. See … Continue reading

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THEMIS: Eroding crater infill in Noachis Terra

THEMIS Image of the Day, January 15, 2019. At several locations in the southern hemisphere there are craters that have been filled with material almost to the top of the crater rim. What the material is and where it came … Continue reading

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