Tag Archives: Mars Odyssey

THEMIS: Cloudy day over the south polar ice cap

THEMIS Image of the Day, December 17, 2018. This VIS image shows a layer of clouds over the south polar cap. See more THEMIS Images of the Day by geological subject.

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

THEMIS: Tapestry of dunes in Proctor Crater

THEMIS Image of the Day, December 14, 2018. This VIS image shows part of the extensive dune field on the floor of Proctor Crater. Proctor Crater is located in Noachis Terra. See more THEMIS Images of the Day by geological … Continue reading

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

THEMIS: Active dune field in Noachis

THEMIS Image of the Day, December 13, 2018. Today’s VIS image shows sand dunes on the floor of an unnamed crater in Noachis Terra. These dunes are likely active because they are dark, indicating that they move often enough to … Continue reading

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

THEMIS: Asimov Crater rim and infill

THEMIS Image of the Day, December 12, 2018. Located in Noachis Terra, Asimov Crater has an unusual crater floor morphology. At some point after the crater formed, the interior was filled by materials that reached almost to the top of … Continue reading

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

THEMIS: Rim of two craters

THEMIS Image of the Day, December 11, 2018. In the center of this VIS image is a crater rim, which is shared by two craters. The crater with the deeper floor is at the bottom of the image, and this … Continue reading

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

THEMIS: Gullies in Noachis Terra

THEMIS Image of the Day, December 10, 2018. Numerous channels, also called gullies, dissect the rim of this unnamed crater in Noachis Terra. (Note that the lighting in this image comes from the lower right.) At upper right lies a … Continue reading

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

THEMIS: Graben cuts across Claritas Fossae crater

THEMIS Image of the Day, December 7, 2018. Located on the northern margin of Aonia Terra, this unnamed crater interacts with one of the fossa, also called a graben. In this image, it is apparent that the tectonic depression crosses … Continue reading

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

THEMIS: Halley Crater dunes

THEMIS Image of the Day, December 6, 2018. Halley Crater is located on the western side of Argyre Planitia. Sand dunes cover part of the crater floor. The dunes’ dark tone indicates they are free from dust. This in turn … Continue reading

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

THEMIS: Galle Crater floor features

THEMIS Image of the Day, December 5, 2018. This VIS image shows a small portion of the floor of Galle Crater. This large crater is located on the eastern side of Argyre Planitia. The floor of Galle Crater contains many … Continue reading

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

THEMIS: Tectonics and volcanism in Syria Planum

THEMIS Image of the Day, December 4, 2018. This VIS image shows a linear depression in Syria Planum. Volcanic activity, including broad shield volcanoes and extensive volcanic plains created this region of the Tharsis system south of Noctis Labyrinthus. Linear … Continue reading

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