Monthly Archives: September 2018

HiRISE: Fan with inverted channels

Posted on September 6, 2018 by rburnham

This image shows inverted channels within a fan whose origin could be either fluvial (produced by the action of a stream) or alluvial (created by sedimentary deposits). If the fan is alluvial, then it formed on dry land. If the … Continue reading →

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THEMIS: False color on Thaumasia Planum and Coracis Fossae

Posted on September 6, 2018 by rburnham

THEMIS Image of the Day, September 6, 2018. Today’s VIS image is located on the margin between Thaumasia Planum and Coracis Fossae. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways … Continue reading →

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MARCI weather report, Aug 27-Sept 2, 2018

Posted on September 5, 2018 by rburnham

Dusty atmospheric conditions resulting from the planetary-encircling dust event continued to wane across much of Mars for the past week. Looking to the equatorial latitudes, a couple short-lived dust events were observed over North Central Noachis Terra. Further west, dust … Continue reading →

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Weather update from Gale Crater

Posted on September 5, 2018 by rburnham
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HiRISE: Pitted cones: possible methane sources?

Posted on September 5, 2018 by rburnham

This observation shows relatively bright mounds scattered throughout darker and diverse surfaces in Chryse Planitia. These mounds are hundreds of meters in size. The largest of the mounds shows a central pit, similar to the collapsed craters found at the … Continue reading →

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Curiosity: Heading south on the Ridge

Posted on September 5, 2018 by rburnham

Sol 2161, September 4, 2018. After a 32-meter (105 foot) drive southward, Curiosity stopped and took its standard Navcam panorama. Above: Looking back to the north, where clearing skies are gradually lifting the haze. Below: Looking southward, with rolling terrain … Continue reading →

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THEMIS: Ophir Chasma in false color

Posted on September 5, 2018 by rburnham

THEMIS Image of the Day, September 5, 2018. Today’s VIS image shows part of Ophir Chasma, where landslide debris mingles with probable sediments from long-vanished lakes. The THEMIS VIS camera contains 5 filters. The data from different filters can be … Continue reading →

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Webcast on Curiosity and Mars, September 6

Posted on September 5, 2018 by rburnham

The Lunar and Planetary Institute (LPI) in Houston is presenting a webcast by Kirsten Siebach (Rice University) on the subject of Curiosity and our evolving view of Mars. The talk, which is part of LPI’s Cosmic Explorations Speaker Series, will … Continue reading →

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HiRISE: Crater gullies and fractures in Acidalia Planitia

Posted on September 4, 2018 by rburnham

This image shows the gullied western slopes of an unnamed crater (about 10 kilometers wide) in Acidalia Planitia. These slopes have gone through a complicated history of gully erosion of the bedrock layers in the upper section, followed by the … Continue reading →

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The largest delta on Mars?

Posted on September 4, 2018 by rburnham

Planetary Geomorphology Image of the Month, September 1, 2018: Jacob Adler (Arizona State University). Ancient river deltas are found in many locations on Mars [see Di Achile & Hynek, 2010 and references therein], and are formed as sediment drops out … Continue reading →

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