Tag Archives: katabatic jump

THEMIS: Polar trough

THEMIS Image of the Day, December 5, 2014. This VIS image shows one of many troughs located on the south polar cap. 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’

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