Tag Archives: channels

HiRISE: Channel near Hale Crater

Posted on June 7, 2017 by rburnham

Channel near Hale Crater. Beautiful Mars series.

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

HiRISE: Channel on a crater floor in NW Arabia Terra

Posted on May 3, 2017 by rburnham

A channel on a crater floor in northwestern Arabia Terra. Beautiful Mars series.

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

HiRISE: Channels northwest of Hale Crater

Posted on May 1, 2017 by rburnham

Channels northwest of Hale Crater. Beautiful Mars series.

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

HiRISE: Sources of gullies in Hale Crater

Posted on April 12, 2017 by rburnham

HiRISE color can show mineralogical differences due to the near-infrared filter. The sources of channels on the north rim of Hale Crater show fresh blue, green, purple and light toned exposures under the the overlying reddish dust. The causes and … Continue reading →

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

THEMIS: Reull Vallis, ancient channel

Posted on April 7, 2017 by rburnham

THEMIS Image of the Day, April 7, 2017. This VIS image shows a short section of Reull Vallis. Reull Vallis starts in Promethei Terra and ends in Hellas Plainitia. More THEMIS Images of the Day by geological topic.

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

HiRISE: Channel networks on Arabia crater wall

Posted on April 6, 2017 by rburnham

Channel networks on the wall of a crater in Arabia Terra. Beautiful Mars series.

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

HiRISE: Distinctive brightness

Posted on March 30, 2017 by rburnham

This full-resolution image is centered on a bright deposit at the end of a gully channel. The bright deposit does not seem to be present in an image acquired several years earlier than 2009, and is likely to be very … Continue reading →

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

HiRISE: Plains south of Valles Marineris

Posted on March 29, 2017 by rburnham

This enhanced-color sample reveals the incredible diversity of landforms on some Martian plains that appear bland and uniform at larger scales. Here we see layers, small channels suggesting water flow, craters, and indurated sand dunes. [More at link]

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

THEMIS: Channels of Nirgal Vallis

Posted on March 2, 2017 by rburnham

THEMIS Image of the Day, March 2, 2017. This VIS image shows a portion of Nirgal Vallis. A tributary of the channel is seen on the left side of the image, with the main channel crossing the image from left … Continue reading →

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

HiRISE: Martian meanders and scroll-bars

Posted on March 1, 2017 by rburnham

This is a portion of an inverted fluvial channel in the region of Aeolis / Zephyria Plana, at the Martian equator. Channels become inverted when the sediments filling them become more resistant to erosion than the surrounding material. Here, the … Continue reading →

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