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Blog Archive

 

Here comes Rosetta!

Posted by Emily Lakdawalla on 2009/10/16 02:43 CDT

Heads up! ESA's Rosetta comet-chasing mission is going to buzz by Earth again in less than a month.

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Opportunity's world of dunes and rock

Posted by Emily Lakdawalla on 2009/10/16 01:28 CDT

Opportunity's been making tracks lately, with brief stops to check out a couple of meteorites. I thought this view of its surroundings on sol 2,034 (a couple of days ago) was neat.

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A brief word on Saturn's radius

Posted by Emily Lakdawalla on 2009/10/15 06:44 CDT

I've had two people write in to correct my Phoebe ring post from yesterday.

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MSL: Mars Action Hero

Posted by Ryan Anderson on 2009/10/15 04:35 CDT

MSL is like James Bond. Want to know why?

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Rhea, Enceladus, Mimas, and Tethys, oh my!

Posted by Emily Lakdawalla on 2009/10/15 03:23 CDT

With the last Titan flyby on October 12, Cassini came back to an orbit that's nearly in the equatorial plane, and immediately rewarded us with some fine views of several of the icy moons. Here are a bunch of images of those moons.

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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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The Phoebe ring

Posted by Emily Lakdawalla on 2009/10/14 04:06 CDT

Last week, planetary astronomers Anne Verbiscer, Michael Skrutskie, and Doug Hamilton published a paper in Nature succinctly titled "Saturn's Largest Ring." In the paper, they announce the discovery, using the Spitzer infrared space telescope, of a gargantuan, previously unseen ring around Saturn, encompassing the orbit of Phoebe.

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That psychedelic M-cubed Moon movie explained

Posted by Emily Lakdawalla on 2009/10/13 05:50 CDT

Advance warning: this entry may be a little technical for some.

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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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OMG! Aurora!

Posted by Emily Lakdawalla on 2009/10/12 10:43 CDT

Unmannedspaceflight.com member Astro0 was fiddling around with an interesting-looking sequence of Cassini images when he discovered their purpose -- they were gathered in order to see if Cassini could catch aurorae flaring into being near Saturn's north pole. Cassini sure did!

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Video from Palomar Observatory on LCROSS impact night

Posted by Emily Lakdawalla on 2009/10/10 04:47 CDT

The Palomar Observatory adaptive optics image of the crater Cabeus remains the best I've seen from ground-based telescopes of the LCROSS impact site.

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Lunar Reconnaissance Orbiter Diviner detection of LCROSS impact

Posted by Emily Lakdawalla on 2009/10/09 05:08 CDT

The Lunar Reconnaissance Orbiter Diviner team just released some preliminary views of their data taken during the LCROSS impact, which clearly shows the thermal signature from the crash into the Moon.

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Graphics from the LCROSS press briefing

Posted by Emily Lakdawalla on 2009/10/09 03:59 CDT

It's been a little difficult to get a hold of the graphics that they used at this morning's press briefing.

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LCROSS: A "morning after" wrapup

Posted by Emily Lakdawalla on 2009/10/09 12:17 CDT

So the big drama on LCROSS is over.

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LCROSS visible spectrometer data showing impact flash

Posted by Emily Lakdawalla on 2009/10/09 10:57 CDT

This plot just shows the aggregate radiance in ultraviolet and visible wavelengths -- all wavelengths -- seen by one of LCROSS' spectrometers after the Centaur hit the Moon.

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Palomar image of crater Cabeus after LCROSS impact

Posted by Emily Lakdawalla on 2009/10/09 10:43 CDT

Here's the sharpest optical image shown today of the Moon, from Palomar Observatory.

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MMT image of the plume and its shadow?

Posted by Emily Lakdawalla on 2009/10/09 10:02 CDT

I am pretty sure this image shows the LCROSS impact plume and its shadow as seen from the MMT observatory in Arizona, but as Alan Boyle just pointed out, the time stamps indicate the photos were all taken before the nominal impact time.

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LCROSS impact recap, with animations

Posted by Emily Lakdawalla on 2009/10/09 08:46 CDT

Quite a night! I set my alarm for 3:15 am in order to get up and watch LCROSS crash into the Moon.

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Screen caps of NASA TV LCROSS camera images

Posted by Emily Lakdawalla on 2009/10/09 06:54 CDT

I am having issues with TwitPic this morning, so will occasionally post new images from the LCROSS camera to this blog entry.

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Gorgeous Kaguya image of Cabeus crater; where to watch impact

Posted by Emily Lakdawalla on 2009/10/09 06:16 CDT

I'm back online and ready to watch LCROSS smash into the Moon this morning!

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