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Mercury

Seared by a Sun shining ten times stronger than it does at Earth, Mercury is a burnt-out cinder, a roasted Moon-like world -- or is it? NASA's MESSENGER mission, the first orbiter of the smallest planet, has revealed a tumultuous volcanic past, enigmatic recent "hollows," and a dynamic exosphere. And it's chasing after clues from Earth-based radar surveys that Mercury could be hiding water ice in permanently shadowed craters near its poles. 

Recent Blog Articles About Mercury

A Spin Through the Inner Solar System

Posted by Bill Dunford on 2014/02/24 09:57 CST | 1 comment

Animated maps of the planets show the spheres in motion.

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What are Mercury's hollows?

Posted by Emily Lakdawalla on 2014/02/18 09:33 CST | 10 comments

I've been fascinated by Mercury's hollows ever since MESSENGER discovered them. Two recent papers look at where they are found to try to figure out how they form.

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Intro Astronomy Class 1: Tour of the Solar System

Posted by Bruce Betts on 2014/02/11 05:53 CST | 1 comment

Take a tour of the Solar System in the video of class 1 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

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Take My Free Online College Introduction to Planetary Science and Astronomy CSUDH Class

Posted by Bruce Betts on 2014/02/05 05:02 CST | 9 comments

Our own Dr. Bruce Betts is once again teaching his Introduction to Planetary Science and Astronomy college course online. Come join him.

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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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The Mercury Transit You Probably Missed

Posted by Karl Battams on 2013/12/30 10:29 CST | 2 comments

Planetary transits of the Sun by Mercury and Venus don't come along very often, and when they do we make a big deal of it because, well, it's really cool!

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DPS 2013: Some quick updates on Mercury

Posted by Emily Lakdawalla on 2013/10/07 04:51 CDT

Some notes from the first day of the Division for Planetary Sciences meeting on Mercury.

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Europe Will Select Its Next Major Science Mission in November

Posted by Van Kane on 2013/09/25 01:22 CDT | 2 comments

The European Space Agency will announce two major science missions this November, one of which is likely to be devoted to solar system exploration.

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New Messages from Mercury

Posted by Bill Dunford on 2013/09/09 10:12 CDT | 7 comments

We have new pictures from planet one.

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Return of the Pale Blue Dot

Posted by Mat Kaplan on 2013/07/18 11:27 CDT | 4 comments

You can be part of a planetwide group photo as Cassini and MESSENGER turn their cameras Earthward on July 19.

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