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Rosetta Earth swingby successful

Posted by Emily Lakdawalla on 2009/11/13 09:44 CST

Rosetta appears to have operated flawlessly as it streaked past Earth for its flyby early this morning. Here are a few more gems from the flyby.

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Crescent Earth

Posted by Emily Lakdawalla on 2009/11/12 12:04 CST

Just hours away from its Earth flyby, Rosetta is busily snapping images and gathering other science data.

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Tracking the stars -- and Earth

Posted by Emily Lakdawalla on 2009/11/11 11:09 CST

This was a neat photo from ESA today.

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Netherlands fireball

Posted by Emily Lakdawalla on 2009/10/14 05:58 CDT

I was debating whether to write anything about a reported fireball that streaked across the sky in the Netherlands at roughly 19:00 local time (17:00 UTC) yesterday, October 13, but seeing this image ended my internal debate.

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AMASE 2009: Testing future Mars surface instruments in the Arctic

Posted by Emily Lakdawalla on 2009/10/13 01:56 CDT

I have just posted four more blog entries from Juan Diego Rodgriguez-Blanco detailing the work conducted during this year's Artic Mars Analogue Svalbard Expedition (AMASE).

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Apophis is less scary than it used to be

Posted by Bruce Betts on 2009/10/07 04:15 CDT

Based on analyses of previously unstudied telescopic data, NASA scientists have released new predictions for the path of the 300-meter-diameter asteroid Apophis.

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Reports from the 2009 arctic Mars analogue Svalbard expedition

Posted by Adrienne Kish on 2009/10/06 06:35 CDT | 1 comments

The expedition's goals were to integrate and test two new instruments for NASA's Mars Science Laboratory rover and four for ESA's ExoMars rover.

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Reports from the 2009 arctic Mars analogue Svalbard expedition

Posted by Juan Diego Rodriguez-Blanco on 2009/10/06 12:10 CDT

The expedition's goals were to integrate and test two new instruments for NASA's Mars Science Laboratory rover and four for ESA's ExoMars rover.

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Exploring Mars on Earth: The Arctic Mars Analog Svalbard Expedition

Posted by Emily Lakdawalla on 2009/08/31 06:10 CDT

High in the Arctic, just below Earth's north polar ice cap, biologists, geologists, and engineers come together in Svalbard every August to practice and prepare for an expedition to Mars.

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Reports from the 2009 AMASE Field Expedition

Posted by Emily Lakdawalla on 2009/08/06 07:00 CDT

Now that it's high summer in the Arctic, it's time for research expeditions to swarm northward to explore icy landscapes as analogues to Mars and other far-off places.

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Dunes in the Outback Red Center

Posted by Jani Radebaugh on 2009/07/29 12:12 CDT

Jani talks about the importance of understanding analogs we can easily visit on Earth to processes happening across the solar system.

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Planetary Surface Processes Field Trip: Day 7
The Painted Desert and Petrified Forest

Posted by Ryan Anderson on 2009/03/22 05:20 CDT

Friday was the last day of the field trip, and we spent it at the Petrified Forest National Park.

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Planetary Surface Processes Field Trip: Day 6
Grand Falls and Sand Dunes

Posted by Ryan Anderson on 2009/03/20 04:35 CDT

Today we visited Grand Falls and the nearby dune field. Grand Falls is especially interesting because it combines many of the processes that are active in shaping planetary surfaces.

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Planetary Surface Processes Field Trip: Day 5
Meteor Crater, Walnut Canyon, and Red Mountain

Posted by Ryan Anderson on 2009/03/19 05:45 CDT

Today was a long and awesome day. We started out at Meteor Crater, the youngest and best preserved impact crater on Earth!

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Planetary Surface Processes Field Trip: Day 4
The Grand Canyon

Posted by Ryan Anderson on 2009/03/18 05:30 CDT

Today we visited the Grand Canyon. If you haven’t been there before, there is no way to convey what it is like.

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Planetary Surface Processes Field Trip: Day 3
SP Flow and Sunset Crater

Posted by Ryan Anderson on 2009/03/16 05:10 CDT

Today was all about volcanoes.

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Planetary Surface Processes Field Trip: Day 2
Sedona and Oak Creek Canyon

Posted by Ryan Anderson on 2009/03/16 04:45 CDT

Today we made our way from Phoenix north to Flagstaff, and on the way stopped to check out some interesting geology in Sedona and Oak Creek Canyon.

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Sands on Earth, Sands on Mars

Posted by Jim Bell on 2008/06/13 01:49 CDT

One of the ways that planetary scientists try to understand the origin and evolution of landforms on other planets is by studying similar kinds of landforms or "analogs" here on the Earth. For the past few days I've been working with a group of colleagues doing just that--specifically, studying dunes in the Great Sand Dunes National Park and Preserve in order to try to better understand the nature of sand dunes on Mars.

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Space weather affects everyday life on Earth

Posted by Emily Lakdawalla on 2007/04/04 02:05 CDT

According to a press release issued this morning by the National Oceanic and Atmospheric Administration, the enormous solar flare that erupted on December 5 and 6 last year was accompanied by an intense radio burst that caused large numbers of Global Positioning System recivers to stop tracking the signal from the orbiting GPS satellites.

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Europa on Earth: The Sulfur Springs of Borup Fiord Pass, Ellesmere Island

Posted by Stephen Grasby on 2006/07/19 04:00 CDT

From June 21 to July 6, 2006, a four-person team traveled to Borup Fiord Pass to perform geological field studies to compare with satellite images.

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