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Blog Archive

 

DPS 2012: Double occultation by Pluto and Charon

Posted by Emily Lakdawalla on 2012/10/26 03:12 CDT | 5 comments

A few talks at last week's Division for Planetary Sciences meeting discussed observations of a double occultation -- both Pluto and Charon passing in front of the same star.

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DPS 2012: Future impact risks

Posted by Emily Lakdawalla on 2012/10/24 01:14 CDT | 7 comments

Continuing my writeup of notes from last week's Division for Planetary Sciences meeting: presentations on the risks of future asteroid impacts. How much risk do we face, and what are the appropriate actions to take in the face of that risk?

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DPS 2012, Monday: Icy moons and a four-star exoplanet

Posted by Emily Lakdawalla on 2012/10/15 11:31 CDT | 1 comments

In the first full day of the annual meeting of the Division of Planetary Sciences of the American Astronomical Society, I listened to scientific sessions on icy worlds and on an exoplanet in a four-star system.

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Shoemaker NEO Winner Finds Close Fly By Asteroid

Posted by Bruce Betts on 2012/10/02 05:54 CDT

Gary Hug used his Shoemaker NEO grant provided camera to find 2012 SY49 which flew by Earth at about two lunar distances last week. The tens of meters wide asteroid is a low-probability possible Earth impactor in the future.

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Saving the World: Established 1997

Posted by Bruce Betts on 2012/09/21 01:00 CDT | 2 comments

The Planetary Society Shoemaker NEO grants celebrate their 15th anniversary of helping to find and track near Earth asteroids. Here's a quick review of the program, and updates on our four multiple-grant winners.

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A fifth moon for Pluto, and a possible hazard for New Horizons

Posted by Emily Lakdawalla on 2012/07/16 02:55 CDT | 7 comments

Pluto is now known to have at least five moons (Charon, Nix, Hydra, P4, and the newly discovered P5), and its burgeoning population might pose a risk to New Horizons during its flyby, three years from now.

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