Tag Archives: crater ejecta

HiRISE: Unlocking an impact crater’s clues

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

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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THEMIS: Young crater and wide-flung ejecta

THEMIS Image of the Day, January 31, 2017. Today’s VIS image shows two craters in Terra Cimmeria just north of Kepler Crater. The small crater in the middle of the image is a relatively new crater. The interior rim has … Continue reading

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HiRISE: Small fresh crater, with ejecta

Small fresh crater. Beautiful Mars series.

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THEMIS: Geological jumble in Terra Sirenum

THEMIS Image of the Day, September 1, 2016.┬áToday’s false color image shows part of the plains of Terra Sirenum near Sirenum Fossae. The THEMIS camera contains 5 filters. The data from different filters can be combined in mulitple ways to … Continue reading

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Anomalous Phobos grooves caused by impacts

Some of the mysterious grooves on the surface of Mars’ moon Phobos are the result of debris ejected by impacts eventually falling back onto the surface to form linear chains of craters, according to a new study. One set of … Continue reading

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THEMIS: Crater gullies in Tempe Fossae

THEMIS Image of the Day, August 10, 2016. Today’s VIS image shows parts of two craters located at the southern end of Tempe Fossae. There are numerous gullies dissecting the inner rim of the crater at the top of the … Continue reading

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THEMIS: Geological complexity in Terra Sabaea

THEMIS Image of the Day, July 27, 2016.┬áToday’s false color image shows some of the plains of Sabaea Terra. The THEMIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false … Continue reading

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