Tag Archives: butterfly ejecta

HiRISE: Dragonfly-shaped crater

Posted on February 10, 2017 by rburnham

The broader scene for this image is the fluidized ejecta from Bakhuysen Crater to the southwest, but there’s something very interesting going on here on a much smaller scale. A small impact crater, about 25 meters in diameter, with a … Continue reading →

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THEMIS: Butterfly crater

Posted on June 4, 2014 by rburnham

THEMIS Image of the Day, June 4, 2014. Today’s VIS image shows the same crater as yesterday’s IR image. More THEMIS Images of the Day by geological topic.

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THEMIS: Butterfly crater

Posted on June 3, 2014 by rburnham

THEMIS Image of the Day, June 3, 2014. The ejecta pattern around this northern plains crater is termed “butterfly” for it’s similarity to butterfly wings. This type of ejecta pattern is common for oblique impacts. In this IR image the … Continue reading →

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