Tag Archives: ejecta

HiRISE: Mars and the amazing Technicolor ejecta blanket

A close-up image shows the exposed bedrock of an ejecta blanket of an unnamed crater in the Mare Serpentis region of Mars. Ejecta, when exposed, are truly an eye-opening feature, as they reveal the sometimes exotic subsurface, and materials created … Continue reading

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HiRISE: Mojave Crater far-flung impact ejecta

Distal reaches of Mojave Crater impact ejecta. Beautiful Mars series.

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Impact-heated rock led to relatively recent water-carved valleys on Mars

New research shows that water from melted snow and ice likely carved valley networks around Lyot crater on Mars. Present-day Mars is a frozen desert, colder and more arid than Antarctica, and scientists are fairly sure it’s been that way … Continue reading

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HiRISE: Sandlot

Sandlot. Beautiful Mars series.

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HiRISE: Colorful impact ejecta from Hargraves Crater

The collision that created Hargraves Crater impacted into diverse bedrock lithologies of ancient Mars. As a result, the impact ejecta is a rich mix of rock types with different colors and textures. The crater is named after Robert Hargraves who … Continue reading

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HiRISE: Isidis Basin ejecta

This scene is a jumbled mess! There are blocks and smears of many different rocks types that appear to have been dumped into a pile. That’s probably about what happened, as ejecta from the Isidis impact basin to the east. … Continue reading

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THEMIS: Beruri Crater ejecta in false color stripes

THEMIS Image of the Day, February 6, 2017. Today’s false color image shows the outer rim of Beruri Crater. This image is of the material ejected by the impact along the eastern rim of the crater. The striped color variations … Continue reading

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THEMIS: Young crater ejecta crosses ridge

THEMIS Image of the Day, Febraur 3, 2017. This VIS image shows the same young crater from earlier this week. In this image, covering the area to the south of the young crater, we can see how the thin radial … Continue reading

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HiRISE: Raining rocks

Impact ejecta is material that is thrown up and out of the surface of a planet as a result of the impact of an meteorite, asteroid or comet. The material that was originally beneath the surface of the planet then … Continue reading

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HiRISE: Preserved ejecta and impact melt

This image of a well-preserved unnamed elliptical crater in Terra Sabaea, is illustrative of the complexity of ejecta deposits forming as a by-product of the impact process that shapes much of the surface of Mars. Here we see a portion … Continue reading

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