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Blog Archive

 

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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Gravity's Bow

Posted by Timothy Reed on 2009/06/15 03:56 CDT

Timothy Reed explains how optical telescopes are tested for gravity sag, and the methods used to counteract or compensate for it.

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Aloha, Io

Posted by John Spencer on 2009/06/08 01:49 CDT

Taking a look at Jupiter's moon, Io, from Hawaii.

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Canto III: Hints of Equinox

Posted by David Seal on 2009/06/04 06:31 CDT

Saturn is rapidly approaching equinox, where the Sun passes through the ring plane (south-to-north, i.e. the northern vernal equinox), and its ring system (i.e. its great now-gloomy poorly-lit circles of large blocks of water ice) is starting to show some really interesting behavior.

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Canto II: Titan's Atmosphere and the Solar Cycle

Posted by David Seal on 2009/06/03 04:44 CDT

David Seal explains the complications for Cassini coming from Titan's atmosphere and Solar Cycle.

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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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Teeny little Bigfoot on Mars

Posted by Emily Lakdawalla on 2008/01/23 01:41 CST | 2 comments

The story of a Sasquatch-shaped rock visible in a recent panorama from Spirit is getting a lot of play in the mainstream media, but fortunately, it's not being taken very seriously. (My favorite take on this picture is the lead from the Times Online story about it: "Is it a rock? A trick of Martian light on the eye? Or Osama Bin Laden waving from his barren hideout 300 million miles from planet Earth?")

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Europlanet : CoRoT - Preliminary Results

Posted by Doug Ellison on 2007/08/20 03:48 CDT

ESA's planet-hunting satellite COROT bagged its first exoplanet in observations of the star COROT-Exo-1.

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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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