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Latest Guest Blog Posts

Field Report From Mars: Sol 4365 - May 5, 2016

Posted by Larry Crumpler on 2016/05/13 10:43 CDT

Opportunity arrived at its current location on sol 4345 to begin investigation of an outcrop on the crest of a ridge near the west end of Marathon Valley.

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Space Exploration: Leaving the Earth to Understand It

Posted by Jake Rosenthal on 2016/05/13 08:00 CDT | 1 comment

Looking back at Earth from beyond helps to give perspective on our place in the cosmos.

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State of NASA Earth Observation

Posted by Anna Scott on 2016/05/12 08:00 CDT | 4 comments

Anna Scott gets us up to speed on NASA's Earth-observing missions nearly 60 years into the satellite age.

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Mars Exploration Rovers Update: Opportunity Sleuths New Site for Smectites

Posted by A.J.S. Rayl on 2016/05/10 08:01 CDT | 2 comments

Opportunity and the Mars Exploration Rovers (MER) team pressed on through the Martian winter and spent April sleuthing for clay minerals at the mission’s new site on the southern wall of Marathon Valley.

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The what-o-sphere? An explainer

Posted by Anna Scott on 2016/05/05 08:04 CDT | 3 comments

Why do we need to slice up atmospheres into classifications like the troposphere, stratosphere, mesosphere, and thermosphere?

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Dawn Journal: A New Angle on Ceres

Posted by Marc Rayman on 2016/05/04 01:31 CDT | 27 comments

Since April 11, instead of photographing the scenery directly beneath it, Dawn has been aiming its camera to the left and forward as it orbits and Ceres rotates to map more of the dwarf planet.

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The Giant Volcanoes of Mars

Posted by Justin Cowart on 2016/05/04 12:45 CDT | 1 comment

Justin Cowart shares some spectacular images showcasing Mars' volcanoes from Mars Express.

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A Moon for Makemake

Posted by Alex Parker on 2016/05/02 10:54 CDT | 2 comments

The solar system beyond Neptune is full of worlds hosting moons. Now we know that the dwarf planet Makemake has one of its very own.

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Future High-Resolution Imaging of Mars: Super-Res to the Rescue?

Posted by Alfred McEwen on 2016/04/29 02:27 CDT | 3 comments

HiRISE Principal Investigator Alfred McEwen explains an imaging technique known as Super-Resolution Restoration (SRR), and how it could come in handy for high-resolution imaging of the Red Planet.

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Field Report From Mars: Sol 4333 - April 1, 2016

Posted by Larry Crumpler on 2016/04/26 07:32 CDT

Opportunity has climbed west and up Marathon Valley in one of the final campaigns before moving on and beginning the summer field activities to the south southward.

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