Tag Archives: double craters

THEMIS: Rim of two craters

THEMIS Image of the Day, December 11, 2018. In the center of this VIS image is a crater rim, which is shared by two craters. The crater with the deeper floor is at the bottom of the image, and this … Continue reading

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THEMIS: Double impact at Buvinda Vallis

THEMIS Image of the Day, August 10, 2018. Today’s VIS image shows a portion of Buvinda Vallis, a channel near the flank of Hecates Tholus. The closeness of the volcano suggests that the channel was eroded by a lava flow, … Continue reading

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THEMIS: Doublet crater in Utopia Planitia

THEMIS Image of the Day, July 19, 2018. Today’s VIS image shows a double impact – two meteors hitting simultaneously. The two meteors would have started as a single object, at some point prior to impact the object separated into … Continue reading

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HiRISE: Figure 8 craters on Mars

Impact craters are very common on the surface of Mars as well as any other planetary body lacking a significant atmosphere (e.g., the Moon). In the absence of a thick atmosphere and active geologic processes, and if the surface is … Continue reading

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HiRISE: Twin craters in Meridiani Planum

This image shows two small impact craters located in Meridiani Planum. This is an example of the geologic principle of superposition: figuring out what happened first by looking at how features interact with each other. We can see that one … Continue reading

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HiRISE: Pair of new impact craters

MRO has discovered over 700 new impact sites on Mars. Often, a bolide breaks apart in the atmosphere and makes a tight cluster of new craters. Here we see just two new craters, both with the same distinctive pattern of … Continue reading

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THEMIS: Channel deposits in Terra Sabaea

THEMIS Image of the Day, April 24, 2018. The northern margins of Arabia Terra and Terra Sabaea contain many unnamed channels. This channel is located in Terra Sabaea. The channel flow is toward the top of the image. This channel … Continue reading

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THEMIS: Two impacts in one at Gasa Crater

THEMIS Image of the Day, April 7, 2017. The small crater on the floor of the larger crater is called Gasa Crater. Gullies dissect the rims of both craters. These craters are located in Eridania Planitia. As most impacts from … Continue reading

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HiRISE: Dual craters east of Lockyer Crater

Dual craters east of Lockyer Crater (Note: North is to the left in this image). Beautiful Mars series.

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THEMIS: Crater on crater in Noachis Terra

THEMIS Image of the Day, December 7, 2016. This VIS images shows part of two unnamed craters in Noachis Terra. The younger of the two craters is at the bottom of the image with one side visible in the image. … Continue reading

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