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Will comet Siding Spring make a meteor shower on Mars?

Posted by Emily Lakdawalla on 2013/03/05 04:34 CST | 6 comments

JPL's Solar System Dynamics group shows that there is still a possibility that C/2013 A1 (Siding Spring) could hit Mars. But the uncertainty in its position at that time is large -- the closest approach could happen an hour earlier, or an hour later -- so we're a long way from knowing yet whether it will or (more likely) won't impact.

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Browse Curiosity's data in the Analyst's notebook

Posted by Emily Lakdawalla on 2013/03/05 01:29 CST

Last week the Curiosity mission made its first data delivery to the Planetary Data System. The bad news: none of the science camera image data is there yet. The good news: there are lots and lots of other goodies to explore.

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Proposed House Budget Increases NASA Funding for SLS and Commercial Crew, Leaves Science Untouched

Posted by Casey Dreier on 2013/03/04 07:54 CST

The U.S. House of Representatives unveiled their new funding bill for the remainder of the 2013 fiscal year, which funds NASA at 2012 levels with the exception of its SLS and Commercial Crew programs.

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Very brief Curiosity update, sol 205: Memory anomaly and a swap to the "B-side"

Posted by Emily Lakdawalla on 2013/03/04 06:48 CST | 2 comments

Over the last few days the mission has been working its way through its first major (not life-threatening, just really inconvenient) anomaly: a memory problem in its main computer.

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The Stormscapes of Saturn

Posted by Bill Dunford on 2013/03/04 12:25 CST | 2 comments

Look past the rings, and Saturn is even stranger--and more breathtaking.

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Dragon overcomes issues, arrives at Station

Posted by Jason Davis on 2013/03/04 09:16 CST | 2 comments

SpaceX's Dragon capsule has arrived at the International Space Station following a wild Friday in which the capsule's thrusters experienced an issue.

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Atacama Diary for March 2, 2013--ALMA Explained

Posted by Mat Kaplan on 2013/03/02 07:00 CST

The second in a series of audio blogs chronicling my trip to the driest spot on Earth, Chile's Atacama desert, to see the inauguration of the ALMA Observatory. Al Wootten and Alison Peck tell the story of ALMA.

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Galileo's images of Gaspra

Posted by Emily Lakdawalla on 2013/03/01 06:43 CST | 2 comments

Last week I trawled the archives to find all of Galileo's images of asteroid Ida; this week, I turned to Gaspra.

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Dragon reaches orbit, but experiences propellant valve issue

Posted by Jason Davis on 2013/03/01 11:41 CST | 1 comment

SpaceX's CRS-2 mission began successfully, but hit a snag when a thruster propellant valve failed to work properly.

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Field Report From Mars: Sol 3220-3236 - March 1, 2013

Posted by Larry Crumpler on 2013/03/01 10:27 CST

Opportunity completed the observations of the outcrop noted in the previous report and has now moved back down slope.

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Dawn journal: Revisiting orbital mechanics

Posted by Marc Rayman on 2013/03/01 09:02 CST | 1 comment

Now that Dawn has changed its speed by nearly eight kilometers per second, Marc Rayman revisits the concept of orbital velocity.

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