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Blog Archive

 

Saturn's hexagon recreated in the laboratory

Posted by Emily Lakdawalla on 2010/05/04 12:32 CDT | 12 comments

A lot of readers have expressed interest in the origin of Saturn's north polar hexagon. The hexagon is a long-lived pattern in the clouds surrounding Saturn's north pole, which has been observed since the Voyagers passed by in 1980 and 1981.

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Titan and Dione: The same, but different

Posted by Emily Lakdawalla on 2010/04/22 05:29 CDT

Here's a new lovely color composition of Titan and Dione captured by Cassini. This one was taken on April 20, 2010; a set of 15 raw images taken of the two moons just showed up on the Cassini raw images website.

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Hey, I'm on APOD today!

Posted by Emily Lakdawalla on 2010/04/20 04:02 CDT

A big thanks to Bob Nemiroff, editor of NASA's Astronomy Picture of the Day website, for picking my composition of a set of Cassini photos of Dione and Titan for today's offering.

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A calming Titan

Posted by Emily Lakdawalla on 2010/04/19 03:35 CDT

Usually I like Mondays, but today I'm feeling a bit overwhelmed. When I get overwhelmed, I look at pictures from Cassini.

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Dione and Titan

Posted by Emily Lakdawalla on 2010/04/12 05:03 CDT

It's axiomatic that as soon as I post about pretty Cassini pictures, another set of pretty photos will appear on the raw images website.

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A feast of pretty pictures from Cassini

Posted by Emily Lakdawalla on 2010/04/12 01:28 CDT

Cassini has it almost too easy. Point at anything in the Saturn system and you're guaranteed of a shot that looks, at least, pretty.

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A busy day for Cassini: Dione plus bonus Enceladus and Janus

Posted by Emily Lakdawalla on 2010/04/08 12:39 CDT

The Cassini Saturn orbiter just completed its second very close flyby of Saturn's mid-sized iceball moon Dione, and the images from that encounter have been streaming onto the Cassini raw images website this morning.

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Pretty picture: Rhea, rings, and two little moons

Posted by Emily Lakdawalla on 2010/04/06 03:07 CDT

Here's a lovely picture whose components came down from Cassini a few days ago.

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Mimas' cold region: another new mystery for Cassini to explore

Posted by Emily Lakdawalla on 2010/03/29 05:19 CDT

This new map of Saturn's moon Mimas -- representing data captured by the CIRS thermal infrared spectrometer during Cassini's February 13, 2010 flyby -- is just baffling.

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A trio of pretty Cassini pics

Posted by Emily Lakdawalla on 2010/03/19 02:19 CDT

It's been a little while since I posted any Cassini pictures just because they were pretty, so here's a few recent ones, produced by amateurs from the images available on the Cassini raw images website.

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Titan: Callisto with weather

Posted by Emily Lakdawalla on 2010/03/16 05:18 CDT | 2 comments

It's the second time I've posted with this provocative title. This time, it's in response to a new paper published last week in Science.

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Helene has two faces

Posted by Emily Lakdawalla on 2010/03/11 10:59 CST

Yes, it's yet another post on Helene! I keep on finding new stuff to post. This time it is a really cool montage assembled by Ian Regan.

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Pointing at Helene

Posted by Emily Lakdawalla on 2010/03/10 11:40 CST

I posted already some neat images from Cassini's flyby of Helene last week, and commented on how most of the images from that encounter missed Helene entirely or only caught the moon at one edge of the camera field of view. Here's an example of one of those images.

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Cassini's Helene flyby

Posted by Emily Lakdawalla on 2010/03/05 04:05 CST

I was much anticipating Cassini's encounter with Helene on Wednesday.

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Cassini at Enceladus: Baghdad's Glowing Canyon

Posted by Emily Lakdawalla on 2010/02/23 05:33 CST

The Cassini mission released a pile of images today from the super-close flyby of Enceladus that happened on November 21.

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Hello, snowman! (Cassini observes Iapetus)

Posted by Emily Lakdawalla on 2010/02/19 02:05 CST

I visited the Cassini raw images site today and was pleased to see another couple of sets of images have been captured on Iapetus.

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Cassini tour page updated for the Solstice Mission

Posted by Emily Lakdawalla on 2010/02/16 03:20 CST

My enormously long page describing the details of Cassini's tour -- each and every Cassini orbit of Saturn -- is now updated to include the entire Solstice Mission, which doubles its length.

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Cassini eyes the eyeball

Posted by Emily Lakdawalla on 2010/02/16 02:11 CST

On Saturday, Cassini flew within 9,500 kilometers of Mimas, the innermost of the medium-sized icy moons of Saturn.

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Calypso coolness

Posted by Emily Lakdawalla on 2010/02/14 08:42 CST

Cassini got pretty close to Calypso yesterday, on the way in to Mimas. Calypso is one of the smaller moonlets of Saturn.

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A Space Carnival (#140) and some new names for Enceladus

Posted by Emily Lakdawalla on 2010/02/09 10:39 CST

This week the Carnival of Space is over at one of my favorite new blogs, Lights in the Dark. Actually it's not so new -- evidently this week marks its first anniversary!

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