Category Archives: Reports

THEMIS: Low hill divides the dunes

THEMIS Image of the Day, September 21, 2017. Siton Undae is a large dune field located in the northern plains near Escorial Crater. Siton Undae is west of the crater and is one of three dune fields near the crater. … Continue reading

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HiRISE: North polar layers: streaking and unconformity

In geology, an unconformity is a buried erosion surface, where the bedding layers don’t match. It doesn’t mean a mismatch in attitudes and beliefs, with rebellious behavior like streaking. But Mars does have streaking of a different kind, from the … Continue reading

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Curiosity: Nose on the pavement

Sol 1821, September 20, 2017. Curiosity continues its exploration of the bare rock “pavement” on top of Vera Rubin Ridge, as seen in the front and rear Hazcams. (The rear image is speckly with noise.) Click either image to enlarge … Continue reading

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MARCI weather report, September 11-17, 2017

Weather conditions were relatively unchanged from last week. Tiny transient dust storms were spotted northwest of Elysium Mons and southwest of Syrtis near the middle of the week. During that time, frontal dust storms streamed off the seasonal cap over … Continue reading

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Curiosity update: Heading for half a million laser shots

Sol 1821, September 19, 2017, update by MSL scientist Roger Wiens: Communication ties our lives together. If phone or internet service goes out in our area, sometimes we have to put our lives on hold for a few minutes or … Continue reading

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HiRISE: Hollows in a southern mid-latitude crater

Hollows in a southern mid-latitude crater — Not very sleepy, though. Beautiful Mars series.

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THEMIS: “Dry spots” in the north polar sand sea

THEMIS Image of the Day, September 20, 2017. Siton Undae is a large dune field located in the northern plains near Escorial Crater. Siton Undae is west of the crater and is one of three dune fields near the crater. … Continue reading

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HiRISE: Go with the (bright) flow

Many slopes in the middle latitudes of Mars show icy flows or glaciers. The region shown here, in the south-facing slope of a crater, is unusual because the flows have bright highlights. The color and brightness variations are likely due … Continue reading

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Curiosity update: What lay beneath

Sol 1820, September 19, 2017, update by MSL scientist Michelle Minitti: Curiosity’s weekend “Brushfest” paid off, revealing the stunning purple color of the rocks of this part of the Vera Rubin Ridge (VRR) hiding below the veneer of dust on … Continue reading

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HiRISE: A crater slope in Terra Sirenum mocks us

A crater slope in Terra Sirenum mocks us. Beautiful Mars series.

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