Tag Archives: craters

HiRISE: Eastern rim of a Terra Cimmeria crater

Eastern rim of a crater in Terra Cimmeria. Beautiful Mars series. [More at links]

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HiRISE: Layers in a crater near Phlegra Montes

Layers in a crater near Phlegra Montes. The objective of this observation is to examine layers near the top of a crater. Beautiful Mars series. [More at links]

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THEMIS: Youngish crater in Noachis Terra

THEMIS Image of the Day, November 29, 2018. This VIS image shows half of an unnamed crater in Noachis Terra. The complex rim and rough floor are indicative of a relatively young crater. With time and erosion, craters fill in … Continue reading

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THEMIS: Crater rim gullies in Terra Sirenum

THEMIS Image of the Day, November 6, 2018. Numerous gullies dissect the northern rim of this unnamed crater in Terra Sirenum. The inside of the north rim faces away from the Sun and is more deeply gullied than the Sun-facing … Continue reading

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HiRISE: Channels and ripples along crater walls

Channels and ripples along crater walls. From the science rationale: “We would like a HiRISE image of the selected area to look for evidence of both fluvial and aeolian processes on the crater wall. Specifically, we are looking for channels … Continue reading

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THEMIS: Mesas, plains, craters in Terra Sabaea

THEMIS Image of the Day, September 11, 2018. This VIS image shows part of Terra Sabaea, including plains, craters, and mesas. The dark blue tones often indicate locations of basaltic sands. The THEMIS VIS camera contains 5 filters. The data … Continue reading

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THEMIS: False-color craters and plains in Terra Cimmeria

THEMIS Image of the Day, August 31, 2018. Today’s false color image shows several craters and plains of Terra Cimmeria. 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: Daedalia Planum crater

THEMIS Image of the Day, July 30, 2018. This VIS image shows part of an unnamed crater on the northwest margin of Daedaia Planum. Lava flows are visible around the crater rim. The interior of the crater has been filled … Continue reading

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HiRISE: Cored island

Cored island. This channel may have been used by both lava and water. One of the processes produced a crater-cored island and later, the downstream side was eroded away, leaving knobs and an inverted streamlined form. Beautiful Mars series. [More … Continue reading

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HiRISE: Lava-coated craters

Lava-coated craters. The larger crater looks normal–dimpled depression with a protruding rim barely covered by lava which later deflated. The smaller depression looks deeper and steeper-sided, and the rim does not protrude, so it is probably below the level of … Continue reading

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