Tag Archives: THEMIS

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

THEMIS: Patterns in the sands of Olympia Undae

Posted on March 6, 2018 by rburnham

THEMIS Image of the Day, March 6, 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, dunes, 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: Waves in the north polar sand sea

Posted on March 5, 2018 by rburnham

THEMIS Image of the Day, March 5, 2018. Olympia Undae is a vast dune field in the north polar region of Mars. It consists of a broad sand sea or erg that partly rings the north polar cap from about … Continue reading →

THEMIS: Mega-gullies of Louros Valles

Posted on March 2, 2018 by rburnham

THEMIS Image of the Day, March 2, 2018. Ius Chasma is unique from the other chasmata of Valles Marineris in possessing mega-gullies on both sides of the chasma. The largest mega-gullies are located in Sinai Planum, dissecting those plains and … Continue reading →

Posted in Reports | Tagged Arizona State University, ASU, canyons, gullies, Ius Chasma, Louros Valles, Mars Odyssey, mass wasting, mega-gullies, NASA, Sinai Planum, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, Valles Marineris | Comments Off

THEMIS images Phobos and Deimos

Posted on March 1, 2018 by rburnham

Phobos and Deimos, the moons of Mars, are seen in this movie put together from 19 images taken by the Mars Odyssey orbiter’s Thermal Emission Imaging System, or THEMIS, camera. The images were taken in visible-wavelength light. THEMIS also recorded … Continue reading →

Posted in Reports | Tagged Arizona State University, ASU, Deimos, Mars Odyssey, NASA, Phobos, THEMIS, Thermal Emission Imaging System | Comments Off

THEMIS: Sapping gullies in Louros Valles

Posted on March 1, 2018 by rburnham

THEMIS Image of the Day, March 1, 2018. Ius Chasma is unique from the other chasmata of Valles Marineris in possessing mega gullies on both sides of the chasma. The largest mega gullies are located in Sinai Planum, dissecting those … Continue reading →

Posted in Reports | Tagged Arizona State University, ASU, canyons, gullies, Ius Chasma, Louros Valles, Mars Odyssey, mass wasting, NASA, sapping, Sinai Planum, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, Valles Marineris | Comments Off

THEMIS: Colliding landslides in Ius Chasma

Posted on February 28, 2018 by rburnham

THEMIS Image of the Day, February 28, 2018. This VIS image shows the eastern end of Ius Chasma. The southern canyon wall is at the bottom of the image, with dark sand and sand dunes. The presence of mobile sand … Continue reading →

Posted in Reports | Tagged Arizona State University, ASU, canyons, dunes, Geryon Montes, interior layered deposits, Ius Chasma, landslides, layers, Mars Odyssey, mass wasting, NASA, sand dunes, tectonics, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, Valles Marineris | Comments Off

THEMIS: Eroding landslide in Ius Chasma

Posted on February 27, 2018 by rburnham

THEMIS Image of the Day, February 27, 2018. This VIS image shows part of the eastern end of Ius Chasma. Geryon Montes are located in the bottom half of the image. Between the montes and the southern wall face is … Continue reading →

THEMIS: Possible delta in Ius Chasma?

Posted on February 26, 2018 by rburnham

THEMIS Image of the Day, February 26, 2018. This VIS image shows part of eastern Ius Chasma. The lower elevations of Geryon Montes are located at the top of the image. Between the montes and the southern wall face is … Continue reading →

Posted in Reports | Tagged alluvial fans, Arizona State University, ASU, canyons, deltas, Geryon Montes, interior layered deposits, Ius Chasma, landslides, layers, Mars Odyssey, mass wasting, NASA, tectonics, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, Valles Marineris | Comments Off

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