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Blog Archive


MarsSed 2010 Field Trip Day 2: Stromatolites, Gypsum and Layers

Posted by Ryan Anderson on 2010/04/30 04:35 CDT

We started off Day 2 of the field trip by driving up onto the eroded rocks of what used to be the tidal flats of the ancient reef, between the shore and the continental shelf.

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MarsSed 2010 Field Trip Day 1: Guadalupe Mountains and Evaporites

Posted by Ryan Anderson on 2010/04/26 05:30 CDT

Hello everyone, I’m back from the MarsSed 2010 meeting in El Paso!

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Volcanism across the solar system: Earth

Posted by Emily Lakdawalla on 2010/04/20 03:26 CDT

Yesterday I asked for suggestions for topics to write about, and you readers seem to have volcanoes on your minds!

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Off to MarsSed 2010

Posted by Ryan Anderson on 2010/04/17 05:30 CDT

I’m headed off to El Paso Texas tomorrow! Why? Because that’s where the Mars Sedimentology and Stratigraphy workshop is!

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Pretty picture: Fly through the aurora

Posted by Emily Lakdawalla on 2010/04/05 04:37 CDT

Space Station astronaut Soichi Noguchi is an awesome photographer. This image is going straight into the "Best of 2010" collection.

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Strong geomagnetic storm today

Posted by Emily Lakdawalla on 2010/04/05 09:18 CDT

This morning I received a bulletin warning of a "strong" geomagnetic storm that began just over an hour ago.

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What's your favorite planet?

Posted by Charlene Anderson on 2010/03/02 03:04 CST

Before you answer, check out these images!

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Mars and a moonbow

Posted by Emily Lakdawalla on 2010/01/21 04:00 CST

Moonbows represent the same phenomenon as rainbows, it's just that the light from the Sun has reflected off of the Moon first before it's separated into its colors by the myriad tiny water droplets in the cloud.

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Last Door in the Planetary Society Advent Calendar: Earth, again

Posted by Emily Lakdawalla on 2010/01/01 10:37 CST

I know I already posted Earth once before. But I could not resist winding up the calendar with this view of a new Earth, for the new year.

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Planetary Society Advent Calendar for December 25: Double planet

Posted by Emily Lakdawalla on 2009/12/24 11:32 CST

To those of you who celebrate the holiday, merry Christmas! I hope Santa was good to you.

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Copenhagen Needs More Space - Space Science Has Critical Role to Play in Climate Science

Posted by Charlene Anderson on 2009/12/10 04:53 CST

Climate change and Copenhagen are dominating the world news this week, as politicians, diplomats, scientists, and protesters gathered in the Danish city for the 2009 meeting for the U.N. Framework Convention on Climate Change.

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The Norway Spiral

Posted by Emily Lakdawalla on 2009/12/10 12:06 CST

I had a fun conversation with Paul Harris just now on his show at KTRS about the crazy spiral that showed up in Norwegian skies yesterday.

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If Earth had rings

Posted by Emily Lakdawalla on 2009/12/03 01:23 CST

I am the very last space blogger in the universe to post about this video, but that doesn't make it any less cool.

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Leonid Meteor Shower Peaks on the 17th

Posted by Bruce Betts on 2009/11/16 02:16 CST

The Leonid meteor shower peaks on Tuesday, November 17. The Leonids are a highly variable shower, and as such are a bit of a gamble on what you'll see. Could be great, could be so-so.

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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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