Tag Archives: University of Arizona

HiRISE: Flow, moving

Posted on July 26, 2019 by rburnham

Flow, moving. The objective of this observation is to examine a flow that goes through a crater in Nilosyrtis Mensae. It was probably larger in the past and has since been reduced in volume. HiRISE Picture of the Day archive. … Continue reading →

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

HiRISE: The hills in Eos Chasma

Posted on July 25, 2019 by rburnham

The hills in Eos Chasma. They may not be alive with the sound of music, but we’ll take the opportunity to look for recurring slope lineae, small gullies and slumped material. HiRISE Picture of the Day archive. [More at links]

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

HiRISE: Floor and north rim of Dokka Crater

Posted on July 24, 2019 by rburnham

Floor and north rim of Dokka Crater. Dokka Crater is 52-kilometers in diameter and located in the north polar region of Mars. Its interior is presumably a remnant of a former polar cap with larger extension, so it could provide … Continue reading →

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

HiRISE: McLaughlin Crater dunes

Posted on July 23, 2019 by rburnham

McLaughlin Crater dunes. This image is part of a seasonal monitoring campaign to detect changes and quantify migration rates of the dunes in McLaughlin Crater. McLaughlin is one of the deepest craters on Mars, and was named after Dean B. … Continue reading →

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

HiRISE: Dust devils dancing on dunes

Posted on July 22, 2019 by rburnham

Dust devils dancing on dunes. Dust devils make dark, diffuse scribble markings on the surface by kicking up dust, and are especially active in the summertime over dark surfaces, such as those with many deposits of sand-sized material. HiRISE Picture … Continue reading →

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

HiRISE: Massif beauty

Posted on July 19, 2019 by rburnham

Massif beauty. We have two simple objectives with this image: to fill in gaps of coverage of this area in Coprates Chasma and to look for colorful slopes of mafic materials. (“Mafic” refers to a silicate mineral or igneous rock … Continue reading →

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

HiRISE: Proctor Crater dune field

Posted on July 18, 2019 by rburnham

Proctor Crater dune field. The dune field here in Proctor Crater is about 35 x 65 kilometers in size, and was one of the first sand dune fields ever recognized on Mars based on Mariner 9 images. HiRISE Picture of … Continue reading →

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

HiRISE: Dunes within Arkhangelsky Crater

Posted on July 17, 2019 by rburnham

Dunes within Arkhangelsky Crater. Dark sand patches and dunes are likely to be active on the floor deposits of this 117-kilometer diameter impact crater. An additional goal is to look for changes from earlier HiRISE images. HiRISE Picture of the … Continue reading →

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

HiRISE: A fresh crater in periglacial terrain

Posted on July 16, 2019 by rburnham

A fresh crater in periglacial terrain. This appears to be a relatively fresh crater in what is called periglacial terrain. Could any changes in the surface be related to ice? (Periglacial refers to an area adjacent to a glacier or … Continue reading →

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

HiRISE: Springtime for Russell Crater

Posted on July 15, 2019 by rburnham

Springtime for Russell Crater. Russell Crater is another favorite of ours, not only for its beauty, but also for the information it provides us for any changes due to sublimation, when a solid state changes directly to a gaseous one. … Continue reading →

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