Tag Archives: basaltic sand

THEMIS: Trouvelot Crater in false color

THEMIS Image of the Day, October 12, 2018. This VIS image shows Trouvelot Crater and a smaller crater on its floor. Dark blue tones in this version of color combination is often dark basaltic sands. The THEMIS VIS camera contains … Continue reading

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THEMIS: Sands of Tombaugh Crater

THEMIS Image of the Day, September 26, 2018. Tombaugh Crater is in the center of this VIS image. Dark blue tones are basaltic sands of the floor of the crater. The THEMIS VIS camera contains 5 filters. The data from … Continue reading

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THEMIS: Arabia Terra landscape in false color

THEMIS Image of the Day, September 24, 2018. Today’s VIS image shows part of Arabia Terra. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false color image. … Continue reading

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THEMIS: Nepenthes Mensae in false color

THEMIS Image of the Day, September 20, 2018. Nepenthes Mensae is the region of hills and mesas north of Terra Cimmeria. The dark blue part of the image is a region of basaltic sands. The THEMIS VIS camera contains 5 … Continue reading

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THEMIS: Terra Sabaea crater in false color

THEMIS Image of the Day, September 18, 2018. Part of a large crater fills the center of this VIS image. In this false color image the dark blue material is basaltic sand. The sands are located between the crater rim … Continue reading

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THEMIS: Basaltic sand amid hills in Terra Sabaea

THEMIS Image of the Day, September 14, 2018. Today’s VIS image shows part of northern Terra Sabaea, where hills are common. The blue tones are usually locations of basaltic sand. The THEMIS VIS camera contains 5 filters. The data from … Continue reading

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THEMIS: Mesas, plains, craters in Terra Sabaea

THEMIS Image of the Day, September 11, 2018. This VIS image shows part of Terra Sabaea, including plains, craters, and mesas. The dark blue tones often indicate locations of basaltic sands. The THEMIS VIS camera contains 5 filters. The data … Continue reading

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HiRISE: Uplifted blocks of light-toned layered deposits

Aram Chaos lies within a 280 kilometer-diameter ancient impact crater in the Southern Highlands of Mars. Uplifted blocks of light-toned layers, composed largely of the iron-oxide hematite and water-altered silicates, indicate that this crater once held a lake. Scientists suggest … Continue reading

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HiRISE: Dust and frost

Sand dunes in the north polar regions of Mars show light coatings of pale orange dust blown partially across the dark basaltic sand. Around the edges of the dunes, patches of seasonal dry ice remain. These patches will be gone … Continue reading

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THEMIS: Basaltic sand dunes in Arabia Terra crater

THEMIS Image of the Day, May 3, 2018. A group of dunes is visible on the floor of this unnamed crater in Arabia Terra. The dunes contain basaltic sand, which is darker than the dust covered materials of the rest … Continue reading

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