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Blog Archive

 

Goodies from the January 11 Rhea flyby

Posted by Emily Lakdawalla on 2011/01/12 10:44 CST

Cassini got some incredibly tricky shots during its January 11 Rhea flyby!

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Bye bye, Kodachrome, but "Kodak moments" will live on in space

Posted by Emily Lakdawalla on 2010/12/31 08:04 CST

This week is the end for Kodachrome film. It's a casualty of the digital revolution.

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The Year in Pictures: 2010

Posted by Emily Lakdawalla on 2010/12/30 03:28 CST

I've just posted my annual roundup of significant images from planetary exploration in 2010.

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Door 28 in the 2010 advent calendar

Posted by Emily Lakdawalla on 2010/12/28 08:37 CST

Time to open the twenty-eighth door in the advent calendar. Where in the solar system is this cratered and streaked surface?

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Door 25 in the 2010 advent calendar

Posted by Emily Lakdawalla on 2010/12/25 12:25 CST

Time to open the twenty-fifth door in the advent calendar. Where in the solar system are these conjoined craters?

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Mimas wanders in to view

Posted by Emily Lakdawalla on 2010/12/21 02:53 CST

Cassini's busy downlinking photos from yesterday's close pass by Enceladus, including some neat shots of Dione and this one where Mimas skipped briefly in to the field of view.

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Door 20 in the 2010 advent calendar (special news update)

Posted by Emily Lakdawalla on 2010/12/20 11:07 CST

Time to open the twentieth door in the advent calendar. Where in the solar system is this diffuse blob and stripy sea?

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Door 10 in the 2010 advent calendar

Posted by Emily Lakdawalla on 2010/12/10 03:40 CST

Time to open the tenth door in the advent calendar. Where in the solar system is this jumble of bouldery fissures?

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Door 6 in the 2010 advent calendar

Posted by Emily Lakdawalla on 2010/12/06 12:48 CST

Time to open the sixth door in the advent calendar. Where in the solar system are these snowy slopes?

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Door 1 in the Planetary Society Blog 2010 advent calendar

Posted by Emily Lakdawalla on 2010/12/01 11:05 CST

December really has arrived, and that means that the year is racing to a close. Continuing last year's tradition, I'm counting the days to the New Year with an advent calendar, where each "door" opens onto a global image of a different world in the solar system.

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A Martian Moment in Time, revisited

Posted by Emily Lakdawalla on 2010/05/12 02:30 CDT

A good start to my day today: The New York Times' Lens Blog featured the "Martian Moment in Time" photo that Opportunity took last week in a really nice writeup. I'm so grateful, and still a little surprised, that the folks on the Mars Exploration Rover mission took this idea and ran with it!

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Radar glories in Titan rivers

Posted by Emily Lakdawalla on 2010/05/11 04:53 CDT

Wow, this is a cool paper. Here's the gist: the Cassini RADAR team has spotted some river channels on Titan that shine so brightly in radar images, there must be something special going on to explain that brightness.

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Saturn's hexagon recreated in the laboratory

Posted by Emily Lakdawalla on 2010/05/04 12:32 CDT | 9 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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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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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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Figuring out the shape of Mars (and other places)

Posted by Emily Lakdawalla on 2010/01/19 01:31 CST

An amateur named Bernhard Braun ("nirgal" on unmannedspaceflight) has been posting the results from a new piece of software he's developed that generates 3-D models of landscapes from single photos.

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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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What's up in the solar system in January 2010

Posted by Emily Lakdawalla on 2010/01/04 01:29 CST

While we don't have Moon bases, we do have plenty of spacecraft. Before I get into my more detailed look at the activities of the 20-odd spacecraft wandering about the solar system, I thought I'd look ahead to 2010 more generally and see what the year has in store for us.

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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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