Tag Archives: HiRISE

HiRISE: Inverted channels

Inverted channels at the boundary of highlands and intercrater plains. This image targets inverted channels located at the boundary between Noachian highlands and Noachian intercrater plains bedrock. These channels are 200 to 500 meters wide, implying substantial fluvial activity. High-resolution … Continue reading

Posted in Reports | Tagged , , , , , , , , , | Leave a comment

HiRISE: North polar layered deposits

North polar layered deposits. Beautiful Mars series. [More at links]

Posted in Reports | Tagged , , , , , , , , | Leave a comment

HiRISE: Twin craters in Meridiani Planum

This image shows two small impact craters located in Meridiani Planum. This is an example of the geologic principle of superposition: figuring out what happened first by looking at how features interact with each other. We can see that one … Continue reading

Posted in Reports | Tagged , , , , , , , , | Leave a comment

HiRISE: All that the lava leaves behind

All that the lava leaves behind. There are streamlined and eroded forms in this lava channel, a region with very little HiRISE coverage. Beautiful Mars series. [More at links]

Posted in Reports | Tagged , , , , , , , , , , , | Leave a comment

HiRISE: Dunes in Nectaris Montes

Sand dunes in Valles Marineris can be impressive in size, with steep slopes that seem to climb and descend. An enhanced-color cutout shows some of these on the slopes of Nectaris Montes within Coprates Chasma. The brighter bedforms are inactive … Continue reading

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

HiRISE: Following Opportunity

Following Opportunity. This image adds more coverage the general area that the rover Opportunity passed through (not the entire image). The image would also be useful for secondary crater studies and monitoring the disappearance of Opportunity’s tracks over time. Beautiful Mars … Continue reading

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

HiRISE: Pair of new impact craters

MRO has discovered over 700 new impact sites on Mars. Often, a bolide breaks apart in the atmosphere and makes a tight cluster of new craters. Here we see just two new craters, both with the same distinctive pattern of … Continue reading

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

HiRISE: Barchan Pac-Man

Barchan sand dunes are common on Mars and often form vast dune fields within very large (tens to hundreds of kilometers) impact basins. The regions upwind of barchans are usually devoid of sandy bedforms, so if you were walking in … Continue reading

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

HiRISE: Weathered ejecta and pitted material associated with Kontum Crater

Weathered ejecta and pitted material associated with Kontum Crater. Weathered, eroded, and scoured ejecta of Kontum Crater could expose ponded, pitted, and underlying material, as well as interesting contrasts. This image is right outside Kontum Crater on the eastern side. … Continue reading

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

HiRISE: Eastern rim of Bonestell Crater

Eastern rim of Bonestell Crater. There are some excellent bedrock exposures in these images. Beautiful Mars series. [More at links]

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