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Latest Guest Blog Posts

Dawn Journal: Maneuvering Around Ceres

Posted by Marc Rayman on 2014/03/03 06:00 CST | 2 comments

Continuing its daring mission to explore some of the last uncharted worlds in the inner solar system, Dawn remains on course and on schedule for its rendezvous with dwarf planet Ceres next year.

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Comet Siding Spring Mars encounter: Why orienting Mars Express is the heart of the challenge

Posted by ESA Mars Express Team on 2014/02/28 12:25 CST

Today's post continues where we started last week with an update from the Mars Express Flight Control Team at ESOC on their preparations for the 19 October Comet Siding Springs flyby. Today: defining the challenge!

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Reflecting on NASA's Global Precipitation Measurement mission, launching today

Posted by J. Marshall Shepherd on 2014/02/27 11:31 CST | 2 comments

Former deputy project scientist and current science team member J. Marshall Shepherd tells us why missions like NASA's Global Precipitation Measurement (GPM) are vital to our way of life.

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Mars Express team readies for Siding Spring

Posted by ESA Mars Express Team on 2014/02/26 01:31 CST | 3 comments

On Sunday, 19 October 2014, at around 18:30 UTC, comet C/2013 A1 – known widely as 'Siding Spring' after the Australian observatory where it was discovered in January 2013 – will make a close fly-by of Mars.

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Field Report From Mars: Sol 3572 – February 10, 2014

Posted by Larry Crumpler on 2014/02/25 12:49 CST | 5 comments

Opportunity is still exploring an outcrop high up on Murray Ridge as the winter solstice on Mars approaches. At this location the tilts are good, so Opportunity is getting excellent solar input on its solar panels.

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Field Report From Mars: Sol 3556 – January 24, 2014

Posted by Larry Crumpler on 2014/02/25 12:18 CST

Today is the tenth anniversary of Opportunity's landing on Mars. Here at the New Mexico Museum of Natural History and Science, we just opened a tenth anniversary exhibit.

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Field Report From Mars: Sol 3519 - December 18, 2013

Posted by Larry Crumpler on 2014/02/25 11:55 CST

Opportunity arrived at the location that has been the target of all this climbing since late last (Earth) summer. We will settle in for some detailed work on the outcrop here since this appears to be something different from the impact breccias that we have been seeing along the ridge crest.

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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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Sand Waves in the Desert

Posted by Lori Fenton on 2014/02/21 03:19 CST | 1 comment

I have a pet peeve: the words dune and ripple are often used interchangeably, although they are quite distinct from one another. So what’s the difference between aeolian dunes and ripples? And why should anybody care?

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Mission to a Metallic World: A Discovery Proposal to Fly to the Asteroid Psyche

Posted by Van Kane on 2014/02/19 07:45 CST | 1 comment

Imagine flying deep within the asteroid belt to study the most unreachable location in the solar system: the deep core of a terrestrial world.

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