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Stellar explosion

Posted by Emily Lakdawalla on 2010/04/13 11:13 CDT

The Sun just spat out a huge coronal mass ejection, an event made visible by the watchful cameras on SOHO.

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Quaoar: A rock in the Kuiper Belt

Posted by Emily Lakdawalla on 2010/04/01 12:48 CDT

The paper I'm writing about today, "Quaoar: a Rock in the Kuiper Belt," is based upon seven sets of Hubble Space Telescope WFPC2 observations of Quaoar and its recently-named moon, Weywot.

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Unbelievably spectacular flight through Candor Chasma

Posted by Emily Lakdawalla on 2010/03/09 01:53 CST

This is one of the things that came out during LPSC last week and all I could do at the time was Tweet it—so here it is in blog form: the most unbelievably spectacular 3D animation of a bit of Mars I've seen yet, produced by Adrian Lark.

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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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Way-cool Martian flyovers by Doug Ellison

Posted by Emily Lakdawalla on 2010/02/04 09:16 CST

Doug Ellison has been playing with Martian digital terrain models recently, to great effect.

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Mars Express animation of Phobos' shadow transiting Mars

Posted by Emily Lakdawalla on 2010/02/02 12:08 CST

For the first time ever, Mars Express' Visual Monitoring Camera has imaged the shadow of Mars' moon Phobos crossing the surface of Mars.

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Awesome New Mars Flyovers

Posted by Ryan Anderson on 2010/01/28 03:35 CST

Check out these awesome flyovers of Mars, generated by Doug Ellison of UnmannedSpaceflight!

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Odyssey's going to start listening for Phoenix

Posted by Emily Lakdawalla on 2010/01/11 05:26 CST

It's been the second most popular question I get from readers: "When might we possibly hear from Phoenix?"

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Asteroid 2867 Steins

Posted by Emily Lakdawalla on 2010/01/11 02:01 CST

This description of asteroid 2867 Steins is based upon an article published in the January 8, 2010 issue of Science by H. Uwe Keller and numerous coauthors and on a related press release.

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Spirit's still "extricating"

Posted by Emily Lakdawalla on 2010/01/08 01:08 CST

It's been two months, now, that extrication efforts have been going on. It's discouraging that the Mars Exploration Rover Spirit isn't out of the trap.

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400 Years of the Galilean Satellites

Posted by Emily Lakdawalla on 2010/01/07 03:34 CST

It was 400 years ago today that Galileo discovered smaller planets attending the planet Jupiter.

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Awesome Cassini mutual event movies

Posted by Emily Lakdawalla on 2009/12/23 01:04 CST

I love posting animations of Cassini images that I compose from frames grabbed from the mission's raw images website, but they are shoddy compared to the versions that eventually come out from the mission's imaging team.

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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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Watch that front wheel spin!

Posted by Emily Lakdawalla on 2009/12/17 09:55 CST

Holy cow, look at that right front wheel spin. I am alternately amazed and horrified by this animation.

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A teeny weeny bit of movement in Spirit's right front wheel

Posted by Emily Lakdawalla on 2009/12/14 01:12 CST

The ever-vigilant Doug Ellison just posted this animation, which really actually does show a teeny tiny bit of motion in the right front wheel. If you don't notice any motion, look closer.

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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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The Norway Spiral

Posted by Emily Lakdawalla on 2009/12/10 12:06 CST

I had a fun conversation with Paul Harris just now on his show at KTRS about the crazy spiral that showed up in Norwegian skies yesterday.

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Spectacular animation of Halley's comet

Posted by Emily Lakdawalla on 2009/11/26 09:11 CST

It's a holiday and I'm enjoying time with the family, so rather than write a lot, I will let a spectacular image do the talking for me.

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Saturn's aurora, even better than before

Posted by Emily Lakdawalla on 2009/11/24 03:35 CST

The Cassini imaging team have posted their own processed and captioned version of the Saturn's aurora movie that I posted a preview of about six weeks ago, and it was worth the wait.

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Encouraging motion on Spirit

Posted by Emily Lakdawalla on 2009/11/19 04:54 CST

It really looks like the second attempt at driving Spirit out of the trap has had the hoped-for result: some forward progress (maybe about a centimeter), and no evidence for further downward sinking.

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