Tag Archives: defrosting

THEMIS: Frosty dunes in Hyperboreae Undae

Posted on August 5, 2019 by rburnham

THEMIS Image of the Day, August 5, 2019. Several dune fields encircle the north polar cap. Hyperboreae Undae is one of them, located near Escorial Crater and Chasma Boreale. This VIS image was taken during the spring season, when the … Continue reading →

Posted in Reports | Tagged Arizona State University, ASU, Chasma Boreale, defrosting, dunes, Escorial Crater, frost, Hyperboreae Undae, Mars Odyssey, NASA, polar sand dunes, sand, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System | Comments Off

THEMIS: Frost-free (almost) south polar ice cap

Posted on June 4, 2019 by rburnham

THEMIS Image of the Day, June 4, 2019. This VIS image shows part of the surface of the south polar cap. Collected at the end of southern summer, most of the ice is frost free and different textures are readily … Continue reading →

Posted in Reports | Tagged Arizona State University, ASU, defrosting, Mars Odyssey, NASA, south polar ice cap, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System | Comments Off

HiRISE: Dune swarm!

Posted on August 27, 2018 by rburnham

Dune swarm! These dunes mean business here in Chasma Boreale. Beautiful Mars series. [More at links]

Posted in Reports | Tagged Beautiful Mars, Chasma Boreale, CO2 frost, defrosting, dunes, frost, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, north polar ice cap, north polar region, sand dunes, University of Arizona | Comments Off

HiRISE: Seasonal frost on crater slopes

Posted on March 9, 2018 by rburnham

Seasonal frost on crater slopes. Beautiful Mars series.

Posted in Reports | Tagged Beautiful Mars, CO2 frost, defrosting, frost, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, northern lowlands, northern plains, University of Arizona | Comments Off

THEMIS: Dunes don’t climb hills (very far)

Posted on March 8, 2018 by rburnham

THEMIS Image of the Day, March 8, 2018. This VIS image of Olympia Undae was collected during north polar spring. The crests of the dunes and other surfaces are light colored, indicative of a frost covering. At the top right … Continue reading →

Posted in Reports | Tagged Abolos Undae, Arizona State University, ASU, barchan dunes, CO2 frost, defrosting, dunes, frost, Jojutla Crater, Mars Odyssey, NASA, north polar sand sea, Olympia Undae, sand dunes, Siton Undae, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, transverse dunes | Comments Off

THEMIS: Defrosting dunes in Olympia Undae

Posted on March 7, 2018 by rburnham

THEMIS Image of the Day, March 7, 2018. This VIS image of Olympia Undae was collected early in north polar spring. The crests of the dunes are light colored, indicative of a frost covering. As the season changes into summertime, … Continue reading →

Posted in Reports | Tagged Abolos Undae, Arizona State University, ASU, barchan dunes, CO2 frost, defrosting, dunes, frost, Mars Odyssey, NASA, north polar sand sea, Olympia Undae, sand dunes, Siton Undae, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, transverse dunes | Comments Off

HiRISE: Defrosting dunes

Posted on December 7, 2017 by rburnham

Defrosting dunes. They’re melting! They’re melting! Beautiful Mars series.

Posted in Reports | Tagged Beautiful Mars, CO2 frost, defrosting, dunes, frost, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, north polar region, north polar sand sea, sand dunes, University of Arizona | Comments Off

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

Posted on September 20, 2017 by rburnham

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 Arizona State University, ASU, defrosting, dunes, Escorial Crater, frost, Mars Odyssey, NASA, northern lowlands, northern plains, sand dunes, sand sea, sand sheet, Siton Undae, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System | Comments Off

THEMIS: Basaltic dunes and frost in north polar lowlands

Posted on September 19, 2017 by rburnham

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 Arizona State University, ASU, basaltic sand, defrosting, dunes, Escorial Crater, frost, Mars Odyssey, NASA, northern lowlands, northern plains, sand dunes, sand sea, sand sheet, Siton Undae, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System | Comments Off

THEMIS: Frosty dunes in Siton Undae

Posted on September 18, 2017 by rburnham

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 Arizona State University, ASU, CO2 frost, defrosting, dunes, Escorial Crater, frost, Mars Odyssey, NASA, northern lowlands, northern plains, sand dunes, sand sea, sand sheet, Siton Undae, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System | Comments Off

Tag Archives: defrosting

Recent Posts

Archives

Links

general

mission instruments

missions

news