Tag Archives: double craters

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

Posted in Reports | Tagged , , , , , , , , | Comments Off

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

Posted in Reports | Tagged , , , , , , , | Comments Off

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

Posted in Reports | Tagged , , , , , , , , , | Comments Off

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

Posted in Reports | Tagged , , , , , , , , , , | Comments Off

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.

Posted in Reports | Tagged , , , , , , , , | Comments Off

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

Posted in Reports | Tagged , , , , , , , , , | Comments Off

THEMIS: Landslide

THEMIS Image of the Day, August 26, 2014. Today’s VIS image shows a landslide deposit within a complex crater (note the ejecta to the top and bottom of the image). There is a smaller complex crater on the ejecta to … Continue reading

Posted in Reports | Tagged , , , , , , , , | Comments Off

HiRISE: Out and about in a Nili Fossae crater

Out and about in a crater in northern Nili Fossae. Beautiful Mars series.

Posted in Reports | Tagged , , , , , , , , , , | Comments Off

THEMIS: Channel

THEMIS Image of the Day, May 19, 2014. This unnamed channel is located on the northwest margin of Arabia Terra. More THEMIS Images of the Day by geological topic.

Posted in Reports | Tagged , , , , , , , , , | Comments Off