Tag Archives: Tharsis

HiRISE: Consider the slope streak

Consider the slope streak; and his faded friend. (North is approximately down). Beautiful Mars series.

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HiRISE: Long and winding channel in Tharsis

The Tharsis region of Mars is covered in vast lava flows, many with channels. Some channels, however, resemble features that may have been formed by water. In this image, we see a smooth, flat-bottomed channel within the roughly irregular edges … Continue reading

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THEMIS: Lava flows near Ascraeus Mons

THEMIS Image of the Day, August 24, 2016. Today’s VIS image shows a very small portion of the extensive lava flows of the Tharsis volcanic complex. These flows are located southeast of Ascraeus Mons. More THEMIS Images of the Day … Continue reading

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THEMIS: Scarp at edge of Olympus Mons

THEMIS Image of the Day, July 18, 2016. Today’s VIS image covers part of Olympus Rupes, the steep escarpment at the edge of Olympus Mons. The left side of the image is the flank of the volcano, the right side … Continue reading

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THEMIS: Volcanic flows meet craters

THEMIS Image of the Day, July 12, 2016. This VIS image shows a small portion of the extensive lava flows of the Tharsis volcanic region. Note that the flows have encircled the two craters, covering the ejecta deposits, but not … Continue reading

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THEMIS: Olympica Fossae

THEMIS Image of the Day, May 25, 2016. Today’s image shows part of Olympica Fossae. The large depression in the bottom half of the image is part of the fossae itself, and is probably a graben. Graben are formed when … Continue reading

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Great tilt gave Mars a new face

The surface of the planet Mars tilted by 20 to 25 degrees 3 to 3.5 billion years ago. This was caused by a massive volcanic structure, the Tharsis volcanic dome, which is the largest in the Solar System. Because of … Continue reading

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THEMIS: Olympica Fossae

THEMIS Image of the Day, December 11, 2015. Today’s VIS image shows a small portion of Olympica Fossae. Olympica Fossae is located on volcanic plains between Alba Mons and Olympus Mons. The linear margins and uniform width are controlled by … Continue reading

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THEMIS: Textures

THEMIS Image of the Day, December 9, 2015. Several different surface textures are evident in this VIS image. This complex region is located between Lycus Sulci to the south and Acheron Fossae to the north, all of which is just … Continue reading

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Mars Orbiter Mission: Olympus Mons

Olympus Mons is the largest volcano in the solar system which is present on planet Mars. The altitude of Olympus Mons is nearly three times the altitude of the largest peak on Earth, Mt.Everest. Tharsis volcanoes are Arsia Mons, Pavonis … Continue reading

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MARCI weather report, November 2-8, 2015

At the beginning of last week, condensate water-ice clouds associated with the aphelion cloud-belt were spotted over Tharsis, Arabia, and Syrtis Major. During this time, dust lifting activity was also observed over Aonia. At the end of the week, three … Continue reading

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HiRISE: Chain of mounds in the Tharsis region

Chain of mounds in the Tharsis region. Beautiful Mars series.

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HiRISE: Right angle on Pavonis Mons

A right angle on Pavonis Mons; this feature could be a possible fracture or erosional feature. Beautiful Mars series.

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THEMIS: Lava flows

THEMIS Image of the Day, June 5, 2015. This VIS image shows lava flows near the eastern flank of Pavonis Mons. More THEMIS Images of the Day by geological topic.

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THEMIS: Ascraeus Mons false color

THEMIS Image of the Day, January 6, 2015. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false color image. These false color images may reveal subtle variations … Continue reading

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