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Blog Archive


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 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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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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Hooray! Cassini's tour has been extended for SEVEN MORE YEARS!

Posted by Emily LakdawallaJohn Spencer on 2010/02/03 01:12 CST

NASA has just announced that once Cassini's Equinox Mission runs out in June of this year, they will extend it a further seven more years, long enough for the spacecraft to see Saturn through its solstice!!

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Cassini Aegaeon and Prometheus awesomeness

Posted by Emily Lakdawalla on 2010/01/28 12:38 CST

There were many, many treats waiting on the Cassini raw images website this morning. Yesterday, Cassini traversed the G ring, taking photos all the way.

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Highlights from the January 1, 2010 Cassini imaging data release

Posted by Emily Lakdawalla on 2010/01/13 03:43 CST

The January 1, 2010 Cassini imaging data release includes everything acquired by Cassini from January 1 to March 30, 2009 in all its high-quality glory.

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Cassini VIMS sees the long-awaited glint off a Titan lake

Posted by Emily Lakdawalla on 2009/12/17 04:28 CST

The Cassini mission announced today the first observation of a specular reflection off of a lake on Titan. A specular reflection is a mirror-like flash, and you only get one when you have a mirror-like surface -- very, very smooth.

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Awesome Mars Express view of Phobos and Deimos together

Posted by Emily Lakdawalla on 2009/12/11 11:24 CST

My inbox was exploding this morning with messages about a tremendously cool animation released this morning by ESA's Mars Express team. It shows Phobos crossing Deimos, in what's known as a "mutual event."

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Opportunity's poking at Marquette Island; Cassini's catching dancing moons

Posted by Emily Lakdawalla on 2009/11/18 04:58 CST

Since tomorrow's class is going to be on playing with raw images from the rovers and Cassini, I've been playing with recent raw images from the rovers and Cassini! I just thought I'd share a couple of the fun items I've been working with.

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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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