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Latest Guest Blog Posts

Discovery Lives

Posted by Jason Callahan on 2015/04/08 01:05 CDT | 7 comments

Last month teams of scientists from around the United States submitted proposals for the thirteenth mission in NASA’s Discovery program. Jason Callahan discusses this latest round of proposals.

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Mars, In Depth

Posted by Bill Dunford on 2015/04/07 12:44 CDT | 5 comments

See the latest three-dimensional landscapes captured by the Mars Reconnaissance Orbiter.

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Planetary Report: The Spring Equinox 2015 Issue

Posted by Donna Stevens on 2015/04/05 04:10 CDT

The Planetary Report's editor, Donna Stevens, brings you the first issue of 2015!

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A Love Letter to Science Education

Posted by Whitney Pratz on 2015/04/03 06:37 CDT | 2 comments

The Planetary Society Operations Assistant Whitney Pratz reports from the National Science Teacher Association Conference and on the development of our youth education and outreach program, Planetary Kids.

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Mars Exploration Rovers Update: Opportunity Finishes First Marathon on Another Planet and Roves On

Posted by A.J.S. Rayl on 2015/04/02 09:37 CDT

On March 24, 2015, after spending several weeks investigating some new rock types along the western rim of Endeavour Crater, Opportunity roved past 42.2 kilometers (26.2 miles) and put the first off-Earth marathon in her rear view mirror, driving the Mars Exploration Rovers mission back into the space history books.

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OSIRIS-REx Begins ATLO (Assembly, Test, and Launch Operations)

Posted by Dante Lauretta on 2015/04/02 12:49 CDT

The OSIRIS-REx mission passed another major milestone. We now have approval to build the spacecraft.

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The Lunar Chronology: What Happens When Science Does Its Thing

Posted by Stuart Robbins on 2015/04/01 09:34 CDT | 4 comments

Scientist Stuart Robbins discusses dating the lunar surface is using impact craters.

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Dawn Journal: Preparing to Photograph Ceres

Posted by Marc Rayman on 2015/04/01 08:58 CDT | 11 comments

Dawn's Chief Engineer and Mission Director, Marc Rayman, explains why we haven't seen any new images of Ceres—and when we can expect them.

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Field Report from Mars: Sol 3971 - March 26, 2015

Posted by Larry Crumpler on 2015/03/28 07:47 CDT | 1 comment

Opportunity reaches a marathon milestone—in more ways than one. Larry Crumpler reports on the current status of the seemingly unstoppable Mars rover.

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Ceres Gets Real; Pluto Lurks

Posted by Paul Schenk on 2015/03/27 04:10 CDT

Although we are still along way from understanding this fascinating little body, Ceres is finally becoming a real planet with recognizable features! And that's kinda cool.

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