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Blog Archive

 

LPSC: Thursday: Rovers, Titan, Mars, Venus Express, Neptune

Posted by Ted Stryk on 2008/03/14 03:49 CDT

I spent a large portion of the day at the Lunar and Planetary Institute's library and presented my own poster during the poster sessions, so my coverage of Thursday's sessions is limited.

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Showing off Saturn's moons

Posted by Emily Lakdawalla on 2008/02/19 04:40 CST

There was a press release from the Cassini mission today about a pile of papers (14 of them!) being published in the journal Icarus about Saturn's icy moons. I haven't had time to read more than the overview article yet, but I wanted to come up with a graphic for an overview of Saturn's moons, and I couldn't resist delving into the massive database of Cassini images to produce something new

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Titan's south pole looks pretty dry

Posted by Emily Lakdawalla on 2008/01/11 04:31 CST

One of the major results from the Cassini mission last year was the production of a mosaic of images from its RADAR instrument covering Titan's north pole. Titan's north pole has lakes upon lakes, some big, some small, but everywhere you look, there they are.

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News flash: Lakes at Titan's south pole, too, on top of the land of lakes in the north

Posted by Emily Lakdawalla on 2007/10/11 12:32 CDT

Lakes have been spotted near the south pole of Titan before, in this image by the ISS team, which was considered compelling but not conclusive at the time.

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Europlanet: RADAR views of Titanian Geology

Posted by Doug Ellison on 2007/08/24 05:38 CDT

"What plays in Potsdam stays in Potsdam" - that's how Ralph described a problem I mentioned over at UMSF where I explained I couldn't combine the audio of my talk with the MOV of the slides because you're not allowed to record presentations. It's "law of the stag" for conferences. So, in the spirit of the law, here's an overview of Ralph's excellent overview of Titanian geology as seen by various RADAR passes.

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The Orbital Dance of Epimetheus and Janus

Posted by Emily Lakdawalla on 2006/02/07 11:00 CST

Saturn is surrounded by a crowded family of rings and moons, and two of those moons -- Epimetheus and Janus -- orbit Saturn so close together that it seems as though their different orbital speeds should make them crash into each other.

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Analyzing the first published Huygens results

Posted by Emily Lakdawalla on 2005/12/02 03:26 CST

I am working my way steadily through the seven Huygens papers that were released by Nature magazine Wednesday on their "Advance online publication" website.

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An update on the Huygens Doppler Wind Experiment

Posted by Emily Lakdawalla on 2005/11/08 03:28 CST

While I was at the Division of Planetary Sciences meeting in Cambridge in September I had a chance to chat with David Atkinson, who's a member of the Doppler Wind Experiment team on Huygens. They and the other instrument teams have been plugging away at analyzing their data.

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A way-cool Cassini picture: rings, Titan, Dione, Prometheus

Posted by Emily Lakdawalla on 2005/10/19 07:12 CDT

I just noticed this picture on the Cassini raw images website. I love these "many worlds" pictures.

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Animation from Cassini's approach to Dione

Posted by Emily Lakdawalla on 2005/10/12 09:01 CDT

The images from Cassini's Dione encounter yesterday have started coming back, and there is a really cool set of 16 pictures of Dione and Rhea.

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A new Cassini data release to the Planetary Data System

Posted by Emily Lakdawalla on 2005/10/06 09:29 CDT

Yesterday, this quarter's release of Cassini data showed up at the Planetary Data System (PDS). The PDS is the public repository for all of NASA's data.

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Amazing views of Hyperion

Posted by Emily Lakdawalla on 2005/10/01 11:11 CDT

I've finally worked my way through all of the Hyperion images that were returned from the last flyby. It's a wonderful data set.

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A new view of Pandora

Posted by Emily Lakdawalla on 2005/09/07 12:54 CDT

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A couple of pretty Cassini photos from this week

Posted by Emily Lakdawalla on 2005/08/20 09:06 CDT

First, here's a nice shot of Epimetheus, which was taken about a month ago.

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A little more Hyperion

Posted by Emily Lakdawalla on 2005/08/18 08:35 CDT

Checking the Cassini raw images website, I found quite a few more images of Hyperion this morning. It looks like Cassini had a leisurely flyby of the little moon from roughly 700,000 kilometers' distance.

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A change of plans for Cassini: higher altitude for the "T7" Titan flyby

Posted by Emily Lakdawalla on 2005/07/15 01:00 CDT

The June 15 Cassini Project Update includes a note about a difficult decision -- they are raising the altitude of an upcoming Titan flyby, "T7," which is scheduled for September 7.

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News: Dark Spot Near the South Pole: A Candidate Lake on Titan?

Posted by Emily Lakdawalla on 2005/06/28 11:00 CDT

The Cassini imaging team has released an image containing a feature unlike any other that they have seen on Titan. The very dark color, curvaceous outline, and sharp edge of the feature have led them to the conclusion that it could well be the long-theorized but never-before-seen body of liquid hydrocarbons on the surface of Titan.

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A couple of pics from Cassini at periapsis

Posted by Emily Lakdawalla on 2005/06/27 08:20 CDT

Cassini's been in orbit around Saturn for almost exactly a year now, and the mission seems pretty much to have dropped off of the public radar screen. But there's still three years to go on the primary mission, and lots left to do, and I for one am not at all bored.

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New Mosaics of Huygens' Titan Images

Posted by Emily Lakdawalla on 2005/05/05 11:00 CDT

Although the two spacecraft traveled a billion kilometers together to study Titan, Cassini and Huygens are two very different types of missions.

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Cassini's Radio Ear on Huygens

Posted by Emily Lakdawalla on 2005/02/14 10:00 CST

Scientists have released a new sound from Huygens, representing the radio signal that Cassini detected from the little probe as it descended to Titan's surface.

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