Tag Archives: Mars Odyssey

THEMIS: Gullies in craters

Posted on February 12, 2019 by rburnham

THEMIS Image of the Day, February 12, 2019. Today’s VIS image shows part of an unnamed crater in Noachis Terra. Several craters in the southern hemisphere contain floor fill that has subsequently been eroded to form depressions in the fill … Continue reading →

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THEMIS: Floods of once-molten rock spread across Daedalia Planum

Posted on February 11, 2019 by rburnham

THEMIS Image of the Day, February 11, 2019. Today’s VIS image shows part of the extensive volcanic flows that make up Daedalia Planum. The different layers and surface textures are due to flows at different times, or the affect of … Continue reading →

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THEMIS: Noachis crater dunes

Posted on February 8, 2019 by rburnham

THEMIS Image of the Day, February 8, 2019. Sand dunes cover part of the floor of this unnamed crater in Noachis Terra. Their dark tint suggests they are relatively free of light-toned dust, hence probably active under winds currently. See … Continue reading →

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THEMIS: Claritas Fossae channel

Posted on February 7, 2019 by rburnham

THEMIS Image of the Day, February 7, 2019. This VIS image shows a section of an unnamed channel. This channel starts within Claritas Fossae and empties down hill into Icaria Planum. See more THEMIS Images of the Day by geological … Continue reading →

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THEMIS: Dune swirl in Terra Cimmeria

Posted on February 6, 2019 by rburnham

THEMIS Image of the Day, February 6, 2019. Sand dunes cover part of the floor of this unnamed crater in Terra Cimmeria. See more THEMIS Images of the Day by geological subject.

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THEMIS: Sea of dunes in Rabe Crater

Posted on February 5, 2019 by rburnham

THEMIS Image of the Day, February 5, 2019. This VIS image shows part of the floor of Rabe Crater. The floor of Rabe Crater has undergone several surface changing events. At some point after the crater was formed it was … Continue reading →

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THEMIS: Polar cap layers at Ultima Lingula

Posted on February 4, 2019 by rburnham

THEMIS Image of the Day, February 4, 2019. Today’s VIS image is located along the margin of Ultima Lingula, where the polar cap meets the surrounding plains. The feature in the center of the image is a chasma where the … Continue reading →

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THEMIS: Lava flows and channels on Daedalia Planum

Posted on February 1, 2019 by rburnham

THEMIS Image of the Day, February 1, 2019. Today’s VIS image shows a small portion of the extensive volcanic plains of Daedalia Planum. These lava flows originated from Arsia Mons, the southernmost of the three large Tharsis volcanoes. See more … Continue reading →

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THEMIS: Eroding layers in Spallanzani Crater

Posted on January 31, 2019 by rburnham

THEMIS Image of the Day, January 31, 2019. This VIS image shows part of the floor of Spallanzani Crater. At some point after the crater was created the floor was covered by a fill material. The material was laid down … Continue reading →

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THEMIS: Dunes and dust devil tracks in Terra Cimmeria

Posted on January 30, 2019 by rburnham

THEMIS Image of the Day, January 30, 2019. This unnamed crater in Terra Cimmeria has both a sand sheet with dune forms and a multitude of dust devil tracks. The linear and scalloped dark marks are created by dust devils … Continue reading →

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