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LCROSS Centaur separation and braking burn successful

Posted by Emily Lakdawalla on 2009/10/08 10:55 CDT

LCROSS and its Centaur upper stage have separated successfully, and the LCROSS shepherd spacecraft has braked in order to follow behind the Centaur when both impact the Moon tomorrow.

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LROC nabs image of the Apollo 14 S-IVB impact site

Posted by Emily Lakdawalla on 2009/10/08 06:33 CDT

As a reminder that we've been crashing stuff into the Moon for decades, the Lunar Reconnaissance Orbiter Camera (LROC) team released today a photo of the crater made by the spent upper stage of the Saturn rocket that lofted the Apollo 14 mission to the Moon.

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A couple of helpful visualizations of LCROSS impact

Posted by Emily Lakdawalla on 2009/10/08 05:25 CDT

The visualization studio at Goddard Space Flight Center has just posted some handy simulations of what we can expect the LCROSS impact to look like.

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LCROSS impact preview

Posted by Emily Lakdawalla on 2009/10/08 03:19 CDT

Way early tomorrow morning, LCROSS and its Centaur upper stage will crash into the lunar south pole.

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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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MESSENGER is fine

Posted by Emily Lakdawalla on 2009/10/07 04:11 CDT

The caption to today's image release from the MESSENGER team concerns their long-term campaign to study Mercury's brightness through a range of phase angles.

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DPS: The amazing wound-up C ring, by Josh Colwell

Posted by Emily Lakdawalla on 2009/10/07 03:07 CDT

DPS: The amazing wound-up C ring, by Josh Colwell

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App review: Moon Globe and Mars Globe: Five stars!!

Posted by Emily Lakdawalla on 2009/10/07 02:23 CDT

App review: Moon Globe and Mars Globe: Five stars!!

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A podcast, a space carnival, and a New Horizons Planetary Radio Q and A

Posted by Emily Lakdawalla on 2009/10/07 01:54 CDT

A podcast, a space carnival, and a New Horizons Planetary Radio Q and A

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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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Changes in Titan's southern lakes

Posted by Emily Lakdawalla on 2009/10/06 05:19 CDT

Today's science press release out of the Division of Planetary Sciences meeting concerns changes in lakes near Titan's south pole observed during Cassini's mission. In brief, repeat Cassini RADAR observations of the same spots during different Titan flybys turned up places where there appeared to be dark lakes in earlier images and dry lakes in later images.

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Mars Science Laboratory Instruments: MARDI

Posted by Ryan Anderson on 2009/10/06 04:35 CDT

Next up in my series of posts about the instruments on MSL is the Mars Descent Imager (MARDI).

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The September-October 2009 issue of The Planetary Report is out

Posted by Emily Lakdawalla on 2009/10/06 02:48 CDT

The September-October 2009 issue of The Planetary Report is out

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Prizes for Steve Squyres, Toby Owen, Kelly Beatty, and Sarah Stewart-Mukhopadhyay

Posted by Emily Lakdawalla on 2009/10/06 12:50 CDT

Prizes for Steve Squyres, Toby Owen, Kelly Beatty, and Sarah Stewart-Mukhopadhyay

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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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2008 TC3: One year later (a 365 Days of Astronomy podcast)

Posted by Emily Lakdawalla on 2009/10/05 05:53 CDT

2008 TC3: One year later (a 365 Days of Astronomy podcast)

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Another possible piece of evidence for a Rhea ring

Posted by Emily Lakdawalla on 2009/10/05 02:30 CDT

Another possible piece of evidence for a Rhea ring

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Massive MESSENGER Mercury Mosaic

Posted by Emily Lakdawalla on 2009/10/05 02:13 CDT

Massive MESSENGER Mercury Mosaic

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MESSENGER gets two planets for the price of one

Posted by Emily Lakdawalla on 2009/10/02 12:49 CDT

Here's a pretty shot of Mercury taken by MESSENGER on approach...but wait, what's that tiny little speck in the lower left corner of the photo?

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It would appear that Opportunity has stumbled upon another meteorite

Posted by Emily Lakdawalla on 2009/10/02 12:58 CDT

I wonder if this came from the same original body as Block Island, or if Meridiani is the kind of slowly deflating landscape that accumulates meteorites at its surface, like the ANSMET meteorite hunting spots in Antarctica?

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