Tag Archives: Mars Reconnaissance Orbiter

CRISM: Ice on rim of crater on Alba Mons

Alba Mons is the largest volcano, by area, on Mars. A low-lying volcano in the northern Tharsis region, Alba Mons has an elevation of 6.8 km, and volcanic flow fields that extend at least 1,350 km from the summit. Alba … Continue reading

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HiRISE: A world of crater clusters

A world of crater clusters  — These are in Hesperia Planum. Beautiful Mars series.

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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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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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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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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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HiRISE: A crater slope in Terra Sirenum mocks us

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

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HiRISE: A sequence of beauty in Terby Crater

The north-facing wall of a moat-like depression in the middle of Terby Crater exposes a beautiful 400 meter-high sequence of light-toned, repetitive sedimentary layers. These deposits are often obscured by darker-toned patches of material as well as ripples and dunes. … Continue reading

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HiRISE: Crevassed glacier-like forms

Crevassed glacier-like forms. Beautiful Mars series.

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HiRISE: An isolated secondary crater cluster from Resen Crater in Hesperia Planum

An isolated secondary crater cluster from Resen Crater in Hesperia Planum. Beautiful Mars series.

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