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Latest Guest Blog Posts

A Map of the Evening Star

Posted by Bill Dunford on 2013/08/20 01:27 CDT | 7 comments

Beautiful maps of a mysterious place.

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Field Report From Mars: Sol 3397 - August 13, 2013

Posted by Larry Crumpler on 2013/08/18 11:06 CDT | 1 comment

Opportunity arrived at the base of the next segment of the Endeavour crater rim and is now investigating the contact.

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Comet ISON lives on! (we think...)

Posted by Karl Battams on 2013/08/13 01:31 CDT | 1 comment

For several weeks now, ground-based observers have been blind to Comet ISON as our local star was sitting directly between us and the comet. I am delighted to share two pieces of good news: first, that ISON is still alive and well, and secondly that it has been recovered.

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A Turn of the Kaleidoscope

Posted by Bill Dunford on 2013/08/12 08:03 CDT | 8 comments

New images from Mars.

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Interplanetary eyes on the lookout for comet ISON

Posted by Daniel Fischer on 2013/08/09 02:15 CDT

Space blogger Daniel Fischer provides a preview of the exciting interplanetary observing campaign that has recently begun to study comet C/2012 S1 (ISON) from vantage points across the solar system.

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Beautiful science by Elektro-L

Posted by Vitaliy Egorov on 2013/08/08 03:54 CDT | 7 comments

Six months ago, I wrote about the Russian weather satellite Elektro-L, which has more than two years of successful experience in the geostationary orbit. Then I promised that I would be here to share the materials that we collected. I think it's time to deliver on the promise.

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Mysterious tides in the Martian atmosphere

Posted by Armin Kleinboehl on 2013/08/07 03:49 CDT | 1 comment

Observations made by the Mars Climate Sounder, an instrument aboard NASA’s Mars Reconnaissance Orbiter, have revealed new information about atmospheric tides on the Red Planet.

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Field Report From Mars: Sol 3385 - August 2, 2013

Posted by Larry Crumpler on 2013/08/06 06:54 CDT

This week Opportunity finished up a quick investigation of the strange rocky terrain out here in the plains where it is approaching the next mountain rim segment of Endeavour crater, Solander Point.

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Mars Exploration Rovers Update: Opportunity Celebrates Milestones, Arrives at Solander Suburb

Posted by A.J.S. Rayl on 2013/08/05 03:44 CDT | 1 comment

The Mars Exploration Rovers (MER) mission Opportunity celebrated the 10th anniversary of its launch on July 7, 2003, and then went on to complete the last leg of its 2 km trek from Cape York to Solander Point. But just before the robot field geologist pulled onto the actual base of the ridge where it will spend its sixth Martian winter, Mars lured the team off the path with some of the weirdest Martian rocks the scientists have seen yet.

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Shadowland

Posted by Bill Dunford on 2013/08/05 01:38 CDT | 4 comments

Seasons, sunlight, and shadow at the Moon's north pole

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