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Latest Guest Blog Posts

Curiosity update, sols 521-533: Assessing Dingo Gap

Posted by Ken Herkenhoff on 2014/02/04 05:08 CST | 3 comments

While continuing to perform regular wheel health assessments, Curiosity took a sharp right turn and headed for Dingo Gap. On sol 533, they performed a "toe dip" that parked the rover atop the dune with a good view down into the valley.

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The Faces of Mars

Posted by Bill Dunford on 2014/02/03 10:49 CST | 5 comments

Portraits of a planet.

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Dawn Journal: Onward to Ceres

Posted by Marc Rayman on 2014/02/01 10:58 CST | 4 comments

The majority of Dawn's time in the Ceres approach phase will be devoted to continuing ion-powered flight. Let’s take another look at how this remarkable technology is used to deliver the adventurer to the desired orbit around Ceres.

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Mars 2020 Is No Redo

Posted by G. Scott Hubbard on 2014/01/28 01:02 CST | 9 comments

The next major mission to Mars will push the technological envelope in way that preserves its budget and fulfills the scientific goals set by the planetary community for this decade.

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A new comet observing campaign for C/2013 A1 (Siding Spring)

Posted by Karl Battams on 2014/01/27 11:22 CST | 1 comment

You thought you were rid of us...but we're back! Following the spectacular and, quite frankly unprecedented, success of the Comet ISON Observing Campaign, we are launching a similar venture for another unique cometary encounter that's happening this year. In October 2014, comet C/2013 A1 (Siding Spring) will pass extremely close to Mars.

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The Giant Spider of Mercury

Posted by Bill Dunford on 2014/01/27 01:23 CST | 3 comments

Striking terrain discovered by the MESSENGER probe.

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New Horizons: Updates From the January 2014 Science Team Meeting, Part 2

Posted by Ted Stryk on 2014/01/24 01:16 CST | 3 comments

Ted Stryk reports on the status of the New Horizons mission from the mission's latest Science Team Meeting. Updates include the status of the Kuiper Belt target search and the use of ALMA to refine Pluto's ephemeris.

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New Horizons: Updates From the Science Team Meeting, Part 1

Posted by Ted Stryk on 2014/01/23 06:15 CST | 1 comment

Ted Stryk reports on the status of the New Horizons mission from the mission's latest Science Team Meeting.

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Russia's Ambitious Planetary Exploration Goals

Posted by Van Kane on 2014/01/22 11:58 CST | 5 comments

Roscosmos has ambitious planetary exploration plans in the coming decades, including a series of solo lunar missions and joint missions to Mars with the European Space Agency.

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A Note on the State of Planetary Science

Posted by Heidi Hammel on 2014/01/22 05:14 CST | 6 comments

Heidi Hammel, the Chair of the American Astronomical Society's Division for Planetary Science, reacts to the recent budget news and the uncertain future for planetary science at NASA.

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