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Latest Guest Blog Posts

Comet Flyby Missions for Mars Rovers

Posted by Mark Lemmon on 2014/08/21 10:19 CDT | 2 comments

On October 19, the Mars rovers — like their orbiting cousins — will become comet flyby missions. Comet C/2013 A1 (Siding Spring) will pass within 140,000 km of Mars.

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Stardust@home Finds Some Stardust

Posted by Amir Alexander on 2014/08/21 07:48 CDT

What’s new at Stardust@home, the groundbreaking program that asked volunteers to help find interstellar dust particles collected by the spacecraft Stardust.

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Canadian Mars Analogue Mission: Field Report, Week 1

Posted by Tanya Harrison on 2014/08/20 11:02 CDT | 1 comment

Tanya Harrison reports on Canada's efforts to simulate a Mars sample return mission here on Earth.

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New Postcards from Mars

Posted by Bill Dunford on 2014/08/18 10:34 CDT | 7 comments

The latest snaphots from the "Mars Webcam" include something special.

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Field Report From Mars: Sol 3753 – August 15, 2014

Posted by Larry Crumpler on 2014/08/18 09:46 CDT | 2 comments

Opportunity just completed its first drives upslope on its long journey toward the crest of the highest rim segment of Endeavour crater, “Cape Tribulation.” Larry Crumpler gives us an update on what to expect next from the little rover that could.

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The OCO-2 First Light Spectra

Posted by David Crisp on 2014/08/15 01:27 CDT

Dr. David Crisp explains how NASA's Orbiting Carbon Observatory (OCO-2) works, and what its first light spectra tells his team about the spacecraft’s performance.

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Three Major Volcanic Eruptions Observed On Io in the Span of Two Weeks

Posted by Jason Perry on 2014/08/12 09:40 CDT | 1 comment

Jason Perry brings us a report on recent ground-based observations that shed new light on the most powerful of Io’s volcanic eruptions.

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Mars 2020 Instruments – A Plan for Sample Return

Posted by Van Kane on 2014/08/08 04:45 CDT | 11 comments

Van Kane gives us a tour of the instruments selected for the Mars 2020 rover.

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Mars Exploration Rovers Update: Opportunity Sets Historic Distance Record and Roves On

Posted by A.J.S. Rayl on 2014/08/08 12:13 CDT

It's official: Opportunity has traveled farther and lived longer than any other vehicle on another planet, driving to a place in history with an out-of-this-world distinction no one even imagined when the robot field geologist left Earth 11 years ago.

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Comet Siding Spring: Risk Assessment

Posted by Karl Battams on 2014/08/07 01:29 CDT | 6 comments

On October 19, 2014, Comet Siding Spring is going to have an extremely close encounter with the planet Mars. The bottom line: it seems most likely that our Martian spacecraft will be absolutely fine.

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