From Newsgroup: sci.space.news

MARS RECONNAISSANCE ORBITER HIRISE IMAGES
February 10, 2016

o Rounded Mounds in Northern Arabia Terra.
http://www.uahirise.org/ESP_043834_2160

The resolution of our image will help assess the nature and
grain size of the sediment that makes up these mounds.

o Inverted Terrain in Eridania.
http://www.uahirise.org/ESP_043946_1415

The Eridania Basin is thought to have once contained a large sea.

o Wind at Work.
http://www.uahirise.org/ESP_044000_1750

Wind is one of the most active forces shaping Mars' surface in today's
climate.

o A Possible Alluvial Fan.
http://www.uahirise.org/ESP_044388_2160

Fan-shaped lobes likes these are also in the desert southwest of the
United States, and are called "alluvial fans."

All of the HiRISE images are archived here:

http://hirise.lpl.arizona.edu/

Information about the Mars Reconnaissance Orbiter is
online at http://www.nasa.gov/mro. The mission is
managed by NASA's Jet Propulsion Laboratory, a division
of the California Institute of Technology, for the NASA
Science Mission Directorate, Washington, D.C. Lockheed
Martin Space Systems, of Denver, is the prime contractor
and built the spacecraft. HiRISE is operated by the
University of Arizona. Ball Aerospace and Technologies
Corp., of Boulder, Colo., built the HiRISE instrument.

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