Tag Archives: polar caps

THEMIS: North polar cap layers

Posted on April 21, 2016 by rburnham

THEMIS Image of the Day, April 21, 2016. Troughs in the north polar cap reveal the layering of ice and dust. More THEMIS Images of the Day by geological topic.

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

THEMIS: Spring at the north pole

Posted on April 2, 2014 by rburnham

THEMIS Image of the Day, April 2, 2014. With summer fast appoaching, the frost has sublimated away and the layers that make up the north polar cap are easily discernable. More THEMIS Images of the Day by geological topic.

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

Spiral troughs in Mars polar caps are born in ‘cyclic steps’

Posted on October 15, 2013 by rburnham

Both Martian polar caps have deep spiral troughs that slice into them for dozens or hundreds of kilometers, but their origin and development has been much debated by scientists. New work by a team of researchers led by Isaac Smith … Continue reading →

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