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What's up in planetary missions in 2014

Emily Lakdawalla • December 31, 2013 • 4

With the New Year upon us, what can we look forward to in 2014? For me, the main event of 2014 is that ESA's Rosetta mission finally -- finally! -- catches up to the comet it has been chasing for a decade. We will lose LADEE, gain two Mars orbiters, and launch Hayabusa2. The year begins with an amazing 24 spacecraft exploring or cruising toward various planetary destinations.

The Mists of Mars

Bill Dunford • December 09, 2013 • 3

Two grand canyons fill with fog, one on Earth and one on Mars.

Mars' chemical history: Phyllosian, Theiikian, Siderikian, oh my

Emily Lakdawalla • December 05, 2013 • 4

I'm returning to the deep dive into the literature that began with articles about lunar basins and then explored the geologic time scales of Earth, Moon, and Mars. Now it's time to catch up to the last decade of Mars research and learn what "phyllosian", "theiikian", and "siderikian" eras are.

Martian Maps: the North Pole

Bill Dunford • November 20, 2013 • 2

The polar plains, charted in unprecedented detail.

Noachian, Hesperian, and Amazonian, oh my! --Mars' Geologic Time Scale

Emily Lakdawalla • October 25, 2013 • 4

The Martian Geologic Time Scale is a lot more complicated than the Moon's.

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.

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