Tag Archives: NASA

THEMIS: Flood-scoured floor of Lobo Vallis

THEMIS Image of the Day, April 20, 2018. Today’s VIS image shows a small portion of Lobo Vallis near where it recombines with Kasei Valles and empties into Chryse Planitia. Kasei Valles is a huge channel system that drained the … Continue reading

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

HiRISE: Diverse lithologies on a crater floor

This image shows bedrock units with diverse colors indicating different mineral concentrations. NB: HiRISE has not been allowed to acquire off-nadir targeted observations for a couple of months due to MRO spacecraft issues, so many high-priority science objectives are on … Continue reading

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

MARCI weather report, April 9-15, 2018

Dust storm activity continued along the seasonal south polar ice cap edge of Mars this past week. Equatorward of the southern seasonal cap edge, local-scale dust storms were observed over Noachis and Cimmeria. At the beginning of the week, a … Continue reading

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

Opportunity: Planning the next moves

Sol 5060, April 19, 2018. The rover has backed off slightly from the outcrop and mission scientists are planning Opportunity’s next moves. The above shows the Navcam view of the outcrop with the flat tabular rocks at upper left. These … Continue reading

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

HiRISE: Curved ridge and layered materials

Curved ridge and layered materials. Is the curved ridge a remnant of inverted stream channel sediment, crater ejecta, or something else (e.g., tectonic)? Are the layered materials sedimentary rock? Beautiful Mars series.

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

THEMIS: Big blocky faults in Sacra Fossae

THEMIS Image of the Day, April 19, 2018. Located on the western margin of Lunae Planum, Sacra Fossae is a group of linear depressions. The right angle turns and uniform width seen in this VIS image indicate that these channels … Continue reading

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

HiRISE: Streamlined features and fractures in Hebrus Valles

Streamlined features and fractures in Hebrus Valles. The rationale for this observation is to assess outflow channel discharges as well as getting a better look at the actual topography. Beautiful Mars series.

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

Curiosity: Looking at Suilven Ripple

Sol 2023, April 15, 2018. Curiosity is examining the Suilven sand ripple using the Mastcam 34mm lens to shoot a composite of the dune structure. Below, the Navcam’s view of what lies to the south, with the ripple at bottom … Continue reading

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

HiRISE: Bouldery plains

Sometimes we see a field of boulders rather than bedrock, as in this image. [More at link]

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

THEMIS: Interweaving channels of Osuga Valles

THEMIS Image of the Day, April 18, 2018. Osuga Valles is a complex set of channels located near Eos Chasma. The channels were likely cut by multiple episodes of flowing water. More THEMIS Images of the Day by geological topic. … Continue reading

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