Tag Archives: dust avalanches

THEMIS: Dark slope streaks

THEMIS Image of the Day, August 29, 2014. Today’s VIS image shows dark slope streaks in an unnamed crater in Terra Sabaea. These features are believed to be formed by material moving downslope, removing the dust cover and revealing darker … Continue reading

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

THEMIS: Dark slope streaks

THEMIS Image of the Day, June 27, 2014. Dark slope streaks mark the rim of this unnamed crater in Terra Sabaea. More THEMIS Images of the Day by geological topic.

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

HiRISE: Touring a dusty region

Dusty regions on Mars are often considered to look boring in HiRISE images because the dust obscures surface features. However, new meteor impacts are found most easily in dusty regions such as the one in this image because the new … Continue reading

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

THEMIS: Tartarus Colles

THEMIS Image of the Day, May 12, 2014. Dark slope streaks mark many of the hills in this VIS image. This region of hills is called Tartarus Colles. The term colles means small hills or knobs. More THEMIS Images of … Continue reading

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

THEMIS: Lycus Sulci

THEMIS Image of the Day, March 27, 2014. Dark slope streaks are a common feature on the cliff faces of Lycus Sulci. More THEMIS Images of the Day by geological topic.

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

HiRISE: Swirling slope streaks

Beautiful Mars series: Swirling slope streaks in Lycus Sulci. More Beautiful Mars images.

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

THEMIS: Dark slope streaks

THEMIS Image of the Day, March 4, 2014. Dark slope streaks are found everywhere on the inner rim of this unnamed crater in Arabia Terra. More THEMIS Images of the Day by geological topic.

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

More dust devilry in the air

Dust devils are the most dynamic feature on Mars, and scientists are zeroing in on how they work. An earlier Red Planet Report described dust devil motions as mapped by fortuitous simultaneous observations by cameras on two separate spacecraft. Now, … Continue reading

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

Airblast avalanches

The aerial blast wave from a meteorite impact can trigger dust avalanches in the vicinity, says a new paper published in Icarus. A group of scientists led by Kaylan Burleigh (University of Arizona) reached this conclusion after studying a cluster … Continue reading

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