Tag Archives: crater ejecta

THEMIS: Scoured ejecta from Bacolor crater impact

Posted on July 19, 2017 by rburnham

THEMIS Image of the Day, July 19, 2017. Today’s VIS image shows some of the ejecta from Bacolor Crater in Utopia Planitia. There are several layers of ejecta visible in the image. The crater itself is just off the image … Continue reading →

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THEMIS: Terra Cimmeria impact-crater ejecta

Posted on July 18, 2017 by rburnham

THEMIS Image of the Day, July 18, 2017. This VIS image shows an unnamed crater in Terra Cimmeria. Note how the ejecta overlays the surrounding terrain, radial to the crater. What produces the two ejecta fields that blanket the ground, … Continue reading →

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THEMIS: Crater impact sequence

Posted on July 17, 2017 by rburnham

THEMIS Image of the Day, July 17, 2017.  Today’s VIS image shows unnamed craters in Terra Sirenum. The ejected debris from both impacts have overlapped. The debris from the smaller crater at bottom lies on top, showing that the impact … Continue reading →

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HiRISE: Mars and the amazing Technicolor ejecta blanket

Posted on July 13, 2017 by rburnham

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: Escape from Mars!

Posted on July 11, 2017 by rburnham

This image shows one of millions of small (10s of meters in diameter) craters and their ejecta material that dot the Elysium Planitia region of Mars. The small craters were likely formed when high-speed blocks of rock were thrown out … Continue reading →

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THEMIS: Aonia Terra crater ejecta in false color

Posted on April 26, 2017 by rburnham

THEMIS Image of the Day, April 26, 2017. Today’s false color image shows several small craters in Aonia Terra. The false colors help show differences in the patterns of debris ejected in the impacts. The THEMIS VIS camera contains 5 … Continue reading →

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HiRISE: Unlocking an impact crater’s clues

Posted on February 10, 2017 by rburnham

Mars is a dynamic planet. HiRISE has witnessed many surface changes over the past ten years, including hundreds of new craters formed by ongoing impacts. Most of these impacts are likely caused by asteroids that have strayed into collision courses … Continue reading →

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THEMIS: Beruri Crater ejecta in false color stripes

Posted on February 6, 2017 by rburnham

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

Posted on February 3, 2017 by rburnham

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

Posted on February 1, 2017 by rburnham

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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