Tag Archives: High Resolution Imaging Science Experiment

HiRISE: Narrow troughs

Posted on August 23, 2019 by rburnham

Narrow troughs. What exactly are the nature of these thin, narrow troughs? They might may be part of a system of dikes that came from the same magma source that fed the whole area in Thaumasia Planum, just south of … Continue reading →

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

HiRISE: Wonderful world of Arabia Terra

Posted on August 22, 2019 by rburnham

The wonderful world of Arabia Terra. It’s one of our favorite regions, not the least because of the incredible layered sedimentary rock but also for the composition of the bedrock. Arabia Terra might be one of the oldest regions on … Continue reading →

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

HiRISE: Southeast Hale Crater ejecta

Posted on August 21, 2019 by rburnham

Southeast Hale Crater ejecta. This image can help us determine whether there are one or multiple ejecta lobes in this region. Hale Crater is often imaged by HiRISE for the presence of recurring slope lineae, or flows that may or … Continue reading →

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

HiRISE: Pits on a crater floor

Posted on August 20, 2019 by rburnham

Pits on a crater floor. These pits are also showing some great exposure of bedrock on the floor of this massive, ancient crater, located northwest of the Hellas impact basin. HiRISE Picture of the Day archive. [More at links]

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

HiRISE: Sedimentary infill

Posted on August 19, 2019 by rburnham

Interaction. This crater and many of those surrounding it are filled with layered sedimentary material. There are various theories for the origin of this layered fill, and this image will help to constrain the relationship of the fill to the … Continue reading →

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

HiRISE: Before Jezero

Posted on August 16, 2019 by rburnham

Before Jezero. Before Jezero Crater was selected as the landing site for the Mars 2020 mission, this area in Gusev Crater was in the running. The terrain here is very different from nearby Columbia Hills (location of the Spirit rover), … Continue reading →

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

HiRISE: Slope monitoring on Ganges Mensa

Posted on August 15, 2019 by rburnham

Slope monitoring on Ganges Mensa. An existing stereo pair shows dark lineations that look very much like recurring slope lineae, but did not exhibit any observed growth within a 1-month interval of the stereo pair, unlike RSL. This picture is … Continue reading →

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

HiRISE: Meridiani layers

Posted on August 14, 2019 by rburnham

Layers in a depression that are not depressing. Wherein we revel at the stratigraphic gorgeousness of a small area in Sinus Meridiani on the fourth planet from the Sun. Sinus Meridiani was named by the French astronomer Camille Flammarion in … Continue reading →

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

HiRISE: Terra Cimmeria crater layers

Posted on August 13, 2019 by rburnham

Layers near the top of a crater. With our camera’s resolution, we can find out if these layers on the top of a crater in Terra Cimmeria are actually within a block of material. HiRISE Picture of the Day archive. [More … Continue reading →

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

HiRISE: Melas Chasma valleys

Posted on August 12, 2019 by rburnham

Valleys in Melas Chasma. Caption throwback (2008): The interpretation is that the valleys formed by precipitation in the late Hesperian epoch and the water that formed them collected in the basin to produce a lake where sediment was deposited. This … Continue reading →

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