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Latest Guest Blog Posts

Riding With Cassini Through 2014

Posted by Bill Dunford on 2014/12/31 06:13 CST | 1 comment

Video: see some of the sights Cassini saw this year.

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Field Report from Mars: Sol 3875 – December 18, 2014

Posted by Larry Crumpler on 2014/12/30 03:40 CST | 2 comments

Opportunity is continuing its drives along the rim of Endeavour toward Marathon Valley. Larry Crumpler tells us what to expect as the rover continues its journey.

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Dawn Journal: History of Ceres

Posted by Marc Rayman on 2014/12/29 01:25 CST | 14 comments

As Dawn looks toward the new world of Ceres, Mission Director Marc Rayman looks back on Ceres' discovery.

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A Visit to India: New Space Collaborations and New Friendships with Role Models for Women in STEM

Posted by Ellen Stofan on 2014/12/24 11:03 CST

NASA Chief Scientist Ellen Stofan discusses her recent trip to India to speak at the India-U.S. Technology Summit in Delhi and Miranda House a the University of Dehli on women in STEM careers.

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Pretty pictures of the Cosmos: Infinity

Posted by Adam Block on 2014/12/23 11:44 CST

Astrophotographer Adam Block shares four stunning images capturing the expansiveness of the universe.

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Like A Bad Penny: Methane on Mars

Posted by Nicholas Heavens on 2014/12/16 04:07 CST | 5 comments

With the announcement of Curiosity's detection of methane on Mars, Nicholas Heavens gives us a guide to the history of methane detection on Mars, a discussion of its scientific significance, and a few things to consider when hearing about and asking about the detection.

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The Planetary Society’s Global Volunteer Network

Posted by Kate Howells on 2014/12/12 10:27 CST | 1 comment

The Planetary Society’s Global Volunteer Network has been busy these past few months!

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Pretty pictures of the Cosmos: Strange and spooky

Posted by Adam Block on 2014/12/12 10:25 CST | 1 comment

Award-winning astrophotographer Adam Block shares his haunting images of three different types of nebulae.

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New Churyumov-Gerasimenko Shapemodel!

Posted by Mattias Malmer on 2014/12/12 09:00 CST | 1 comment

Mattias Malmer shares his latest shape model of Comet 67P/Churyumov–Gerasimenko, created using data from the Rosetta spacecraft.

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The YORP Effect and Bennu

Posted by Dante Lauretta on 2014/12/11 05:48 CST

The YORP effect is a phenomenon that affects the rotation rate and pole orientation of an asteroid. YORP is an acronym that combines four scientist’s names: Yarkovsky, O’Keefe, Radzievskii, and Paddack.

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