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Pretty Pictures: Amazing Asteroid Lutetia

Posted by Emily Lakdawalla on 2012/04/10 02:00 CDT

A long-awaited data set is finally public (well, long-awaited by me, at least). The Rosetta team has now published their data from the July 10, 2010 flyby of asteroid (21) Lutetia. This data set is absolutely stunning, and my friends in the amateur image processing community wasted no time in creating art out of it.

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More Dawn Vesta approach images: First color views

Posted by Emily Lakdawalla on 2012/02/17 11:37 CST

On June 30, Dawn stopped thrusting for a full Vestian day -- five hours and 20 minutes -- and just watched the asteroid rotate. But unlike the previous observations, they used all of Dawn's color filters to acquire the best-ever color photos of the lumpy world.

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Dawn images of Vesta! Released!! For everyone!!!

Posted by Emily Lakdawalla on 2012/02/14 10:57 CST

Some time in the last few days, the Dawn team made public the first preliminary version of the first release of their data from the Vesta phase of their mission.

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Mariner 9 approaching Mars: a movie!

Posted by Emily Lakdawalla on 2011/12/09 01:32 CST

In celebration of the 40th anniversary of Mariner 9's November 13, 1971 arrival at Mars, Daniel Macháček has produced a morphed animation of the images that Mars' first orbiter took while approaching the planet.

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First-ever high-resolution Synthetic Aperture Radar image of Enceladus

Posted by Emily Lakdawalla on 2011/12/01 07:22 CST

On the November 6, 2011 flyby of Enceladus -- the third such flyby in just a few weeks -- the Cassini mission elected to take a SAR swath instead of using the optical instruments for once. So here it is: the first-ever SAR swath on Enceladus. In fact, the only other places we've ever done SAR imaging are Earth, the Moon, Venus, Iapetus, and Titan.

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Bye-bye, Curiosity

Posted by Emily Lakdawalla on 2011/11/29 09:35 CST

A few fortunate (and forward-thinking) skywatchers looked upward in the hours after Curiosity's launch and were able to see the spacecraft leaving Earth.

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Our friendly neighborhood asteroid, 2005 YU55 (an animation)

Posted by Emily Lakdawalla on 2011/11/16 02:58 CST

Last week JPL released two animations of asteroid 2005 YU55 made from the radar data acquired by Goldstone's 70-meter radio dish.

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Pretty pictures & movies: Eye candy from two recent Cassini Enceladus flybys

Posted by Emily Lakdawalla on 2011/10/20 12:35 CDT

Cassini has completed two very close flybys of Enceladus in less than three weeks, one of them just this morning, and the images from that encounter have already arrived on Earth.

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Pretty pictures: Dancing moons

Posted by Emily Lakdawalla on 2011/09/28 12:28 CDT

Since Cassini currently orbits Saturn within the plane of Saturn's rings, it has lots of chances to catch two or more moons in the same photo. One such "mutual event" happened on September 17, featuring four moons: Titan, Dione, Pan, and Pandora.

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Video: Zooming around Vesta

Posted by Emily Lakdawalla on 2011/09/16 08:44 CDT

The Dawn team released today a nice little video that flies around a shape model of Vesta produced by DLR, the German Aerospace Corporation, who built and operate Dawn's camera.

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The Making of Martian Clouds in Motion: Part 1, working with Mars Express HRSC data

Posted by Emily Lakdawalla on 2011/08/22 08:39 CDT

Last Friday I posted an awesome video of Martian clouds in motion. This week I'll tell you how I made it. The how-to is split up into two parts. The first, today, is how to access Mars Express HRSC image data and process it into the individual animation frames, from which you can make an animated GIF.

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Martian clouds in motion

Posted by Emily Lakdawalla on 2011/08/19 10:36 CDT

Behold an amazing (if I do say so myself) video of Martian clouds in motion.

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Comet Garradd in 3D (sort of)

Posted by Emily Lakdawalla on 2011/08/12 12:52 CDT

Amateur astronomer Patrick Wiggins sent me this neat little animation of comet Garradd moving against background stars through an hour's worth of observing. I'm not any kind of astronomer but if I were I think I would get a kick out of looking at things that appear to move within one night of watching -- asteroids, comets, Jupiter's spots. I'm impatient that way.

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Pretty picture: five moons for Cassini

Posted by Emily Lakdawalla on 2011/08/03 09:57 CDT

Explaining how to combine the red, green and blue images from a recent Cassini image session containing five of Saturn's moons: Janus, Pandora, Enceladus, Mimas and Rhea.

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What I see in the first high-res Dawn images of Vesta

Posted by Emily Lakdawalla on 2011/08/02 11:22 CDT

I had to wait until the kids were in bed and the husband fed last night before I finally had time to sit down and really look at the Dawn images of Vesta. And I still hardly knew where to begin. This brand new world is just so different than others I've seen.

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Mountains rising for Opportunity

Posted by Emily Lakdawalla on 2011/07/31 10:11 CDT

The views from Opportunity of Endeavour's near and distant rim peaks are getting ever more vertical as Opportunity approaches Cape York.

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Pretty movie: Everything in the Saturn system is in motion!

Posted by Emily Lakdawalla on 2011/07/26 06:28 CDT

A few weeks ago a producer for a public television space documentary asked me if I knew of any cool Cassini animations and my answer was, "Ooh, what a great excuse to have some fun digging around in the Cassini data archives." Here is the most fun animation I came up with in response to the request.

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Vesta does a Hyperion impression

Posted by Emily Lakdawalla on 2011/07/21 06:25 CDT

Maybe it's my own peculiar variant of pareidolia, but every time I see a new image of Vesta I'm reminded of some different other lumpy body in the solar system. In the image released just now by the Dawn team, taken from 10,500 kilometers away, I'm seeing Hyperion.

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Cassini animations: Rhea and Dione and Titan

Posted by Emily Lakdawalla on 2011/06/28 04:12 CDT

I've been mucking about in the Cassini data archives (as I often do when procrastinating) and unearthed a neat, if short, mutual event sequence of two crescent moons passing by each other.

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Cassini finally catches Helene

Posted by Emily Lakdawalla on 2011/06/20 04:41 CDT

Cassini has finally achieved gorgeous global imaging of Helene with a spectacular flyby on Saturday, in which they got Helene to pose prettily for the camera from beginning to end of the encounter. And what a wacky, wacky world Cassini has revealed Helene to be!!

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