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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

LPSC 2015: MESSENGER's low-altitude campaign at Mercury

Posted by Emily Lakdawalla on 2015/03/25 07:55 CDT | 3 comments

At last week's Lunar and Planetary Science Conference, the MESSENGER team held a press briefing to share results from the recent few months of incredibly low-altitude flight over Mercury's surface. The mission will last only about five weeks more.

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

Posted by Bruce Betts on 2015/02/04 05:00 CST

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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A Clearer Impression of Degas Crater

Posted by Bill Dunford on 2014/10/06 09:31 CDT | 2 comments

MESSENGER is revealing the first planet in sharp detail.

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Europa: How Less Can Be More

Posted by Van Kane on 2014/08/26 06:55 CDT | 6 comments

Van Kane explains three factors that make exploring Europa hard—factors that can make a mission concept that seems like less actually be more.

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Buzz Mercury's North Polar Region in This New MESSENGER Video

Posted by Jason Davis on 2014/08/05 09:31 CDT | 1 comment

A new video shows what a traveler aboard Mercury's MESSENGER spacecraft would see as they zipped over the planet's north polar region.

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Skimming the inner planets: Updates on MESSENGER and Venus Express

Posted by Emily Lakdawalla on 2014/06/24 11:52 CDT | 1 comment

The two spacecraft currently orbiting the two innermost planets are both flying low in their orbits in the final phases of their missions. MESSENGER just performed a rocket burn to raise its orbit slightly, while Venus Express did the opposite.

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Another Day in the Solar System

Posted by Bill Dunford on 2014/05/12 09:56 CDT | 1 comment

One day, five worlds.

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Snapshots of Science from the 2014 Lunar and Planetary Science Conference

Posted by Emily Lakdawalla on 2014/03/25 02:45 CDT | 2 comments

Vignettes from dozens of LPSC talks: GRAIL and LADEE at the Moon; ice and craters and conglomerates and organics and gullies on Mars; polar deposits and volatile elements on Mercury; tectonics on Enceladus; and more, until my brain was so full I could barely speak.

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Intro Astronomy Class 4: Eclipses, Mercury, Venus-Earth-Mars Atmospheres, Venus

Posted by Bruce Betts on 2014/02/28 01:30 CST

This video of class 4 of Bruce Betts' Introduction to Planetary Science and Astronomy class discusses eclipses, Mercury, Venus, and a comparison of the atmospheres of Venus, Earth, and Mars.

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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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