Tag Archives: defrosting

THEMIS: “Dry spots” in the north polar sand sea

THEMIS Image of the Day, September 20, 2017. Siton Undae is a large dune field located in the northern plains near Escorial Crater. Siton Undae is west of the crater and is one of three dune fields near the crater. … Continue reading

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

THEMIS: Basaltic dunes and frost in north polar lowlands

THEMIS Image of the Day, September 19, 2017. Siton Undae is a large dune field located in the northern plains near Escorial Crater. Siton Undae is west of the crater and is one of three dune fields near the crater. … Continue reading

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

THEMIS: Frosty dunes in Siton Undae

THEMIS Image of the Day, September 18, 2017. Siton Undae is a large dune field located in the northern plains near Escorial Crater. Siton Undae is west of the crater and is one of three dune fields near the crater. … Continue reading

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

HiRISE: Gullies in winter shadow

This is an odd-looking image. It shows gullies during the winter while entirely in the shadow of the crater wall. Illumination comes only from the winter skylight. We acquire such images because gullies on Mars actively form in the winter … Continue reading

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

HiRISE: Seasonal monitoring of ‘Inca City’

Seasonal monitoring of region dubbed “Inca City.” Beautiful Mars series.

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