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Mars Reconnaissance Orbiter achieves imaging of comet ISON from Mars

Emily Lakdawalla • October 02, 2013 • 2

Yesterday, the much-anticipated comet ISON made its closest pass by Mars. Mars Reconnaissance Orbiter's HiRISE camera is the first to achieve a positive detection of the somewhat-fainter-than-expected comet in its photos.

Interplanetary eyes on the lookout for comet ISON

Daniel Fischer • August 09, 2013

Space blogger Daniel Fischer provides a preview of the exciting interplanetary observing campaign that has recently begun to study comet C/2012 S1 (ISON) from vantage points across the solar system.

Mysterious tides in the Martian atmosphere

Armin Kleinboehl • August 07, 2013 • 1

Observations made by the Mars Climate Sounder, an instrument aboard NASA’s Mars Reconnaissance Orbiter, have revealed new information about atmospheric tides on the Red Planet.

Terra Cognita

Bill Dunford • July 29, 2013 • 4

Pushing back the frontier, and filling in the blank spaces on the map.

Planetary Geomorphology Image of the Month: Water tracks on Earth and Mars

Emily Lakdawalla • July 18, 2013 • 3

The International Association of Geomorphologists' "planetary geomorphology image of the month," contributed by Joe Levy, features water tracks on Earth and compares them to recurring slope lineae on Mars.

A new HiRISE view of Opportunity (sol 3361)

Emily Lakdawalla • July 17, 2013

The HiRISE camera on Mars Reconnaissance Orbiter has snapped a lovely color photo of the rim of Endeavour crater, catching Opportunity midway between Nobby's Head and Solander Point.

Dunes on Tatooine

Ralph Lorenz • July 17, 2013

The fictional world Tatooine, scene of action in the Star Wars movies, is named after a town in Tunisia, where parts of the movies were filmed. The desert backdrops against which the movies were filmed are real terrestrial landscapes, which prove to be perhaps unexpectedly dynamic.

The Ice Pits of Mars

Bill Dunford • July 07, 2013 • 9

The south polar cap of Mars is riddled with strange landscapes.

Enormously detailed photo of Kasei Valles from Mars Express

Emily Lakdawalla • June 19, 2013 • 7

ESA celebrated the tenth anniversary of Mars Express' launch with a several-day science meeting during which they issued lots of press releases and numerous spectacular photos. My favorite of them all is this enormous image of Kasei Valles on Mars.

Many More Colors than Red: Exploring Mars with Spectroscopy

Bill Dunford • May 20, 2013 • 6

Mars gives up its secrets through the unseen colors of its rocks.

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