Tag Archives: Arabia Terra

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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THEMIS: Crater chaos

THEMIS Image of the Day, November 11, 2015. This VIS image shows part of the interior of an unnamed crater in Arabia Terra. There are numerous hills and valleys in the crater, indicating depositional and erosional processes were active after … Continue reading

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Mars Orbiter Mission: Arabia Terra

Mars Color Camera image taken October 22, 2015, at an altitude of 14,893 km with a resolution of 774 meters. Arabia Terra is a large upland region in the north of Mars located mostly in the Arabia quadrangle. It is densely cratered and heavily … Continue reading

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HiRISE: Fresh shallow valley in north Arabia Terra

A fresh shallow valley in north Arabia Terra. Beautiful Mars series.

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THEMIS: Channels

THEMIS Image of the Day, October 21, 2015. Today’s VIS image shows part of a complex region of channels which dissect the margin of Arabia Terra where elevations lower into Acidalia Planitia. Material that has moved down the channels in … Continue reading

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THEMIS: Arabia Terra – false color

THEMIS Image of the Day, October 9, 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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HiRISE: Polygonal fracturing on crater ejecta

Polygonal fracturing on ejecta from a crater in the Arabia region. Beautiful Mars series.

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Fresh shallow valley becomes inverted channel

This image shows a portion of a long valley system in northern Arabia Terra. The valley must be relatively young because it cuts through the ejecta of an impact crater that still retains it entire ejecta blanket, indicating the crater … Continue reading

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Mars Express: The effect of the winds of Mars

Here on Earth, we are used to the wind shaping our environment over time, forming smooth, sculpted rocks and rippling dunes. In this way, Mars is more similar to Earth than you might expect. On the Red Planet, strong winds … Continue reading

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HRSC: Impact crater or supervolcano caldera?

At first glance, the region covered by this latest Mars Express image release appears to be pockmarked with impact craters. But the largest structure among them may hold a rather explosive secret: it could be remains of an ancient supervolcano. … Continue reading

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