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Blog Archive


Philae update: Photo documentation of Philae's separation!

Posted by Emily Lakdawalla on 2014/11/12 08:22 CST | 4 comments

Here it is. We knew hours ago that Philae separation happened, but there's nothing like seeing a photo, seeing Philae's mothership receding into the distance.

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In Pictures: Expedition 41 Crew Returns to Earth

Posted by Jason Davis on 2014/11/10 09:33 CST

The crew of Expedition 41 is safely back on Earth following a 165-day stay aboard the International Space Station.

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Seven Mars spacecraft attempted observations of comet Siding Spring. How did they go?

Posted by Emily Lakdawalla on 2014/11/03 04:03 CST | 6 comments

It's been two weeks since comet Siding Spring passed close by Mars, and six of the seven Mars spacecraft have now checked in with quick looks at their images of the encounter. I round up all the results.

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A (Difficult) Day in the Solar System

Posted by Bill Dunford on 2014/10/30 10:05 CDT | 13 comments

After a bad day on the launch pad, some perspective.

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Hayabusa2 nearly ready for launch: Photos from Tanegashima, and new artist's renderings

Posted by Emily Lakdawalla on 2014/10/30 10:15 CDT | 2 comments

On October 27, JAXA provided media with an opportunity to view the Hayabusa2 spacecraft at the Tanegashima space center, where it's making final preparations for launch. Koumei Shibata was there, and took several photos. And artist Go Miyazaki has shared several terrific new renderings of the spacecraft in flight.

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A feast of comet features from Rosetta at Churyumov-Gerasimenko

Posted by Emily Lakdawalla on 2014/10/27 09:22 CDT | 22 comments

I have been horribly behind in posting images from Rosetta's exploration of comet 67P/Churyumov-Gerasimenko, and that's a shame, because the spacecraft has lately been exploring the comet from a range of only 10 kilometers. From that range, the NavCam gets sub-meter resolution, and we're seeing a menagerie of odd surface features

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Surveyor Digitization Project Will Bring Thousands of Unseen Lunar Images to Light

Posted by Jason Davis on 2014/10/24 02:03 CDT | 4 comments

A team of scientists at the University of Arizona plan to digitize 87,000 vintage images from the surface of the moon, of which less than two percent have ever been seen.

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Herschel observations of Comet Siding Spring initiated by an amateur astronomer

Posted by Peter Mattisson on 2014/10/22 11:26 CDT | 4 comments

The European satellite Herschel acquired images of Comet Siding Spring before its death in 2013 — thanks to an observing proposal from an amateur astronomer!

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Finally! New Horizons has a second target

Posted by Emily Lakdawalla on 2014/10/15 01:02 CDT | 20 comments

What a huge relief: there is finally a place for New Horizons to visit beyond Pluto. A team of researchers led by John Spencer has discovered three possible targets, all in the Cold Classical part of the Kuiper belt. One is particularly easy to reach. New Horizons would fly past the 30-45-kilometer object in January 2019.

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Phobos over Mars

Posted by Emily Lakdawalla on 2014/10/14 08:05 CDT | 10 comments

Today the Mars Orbiter Mission released a nice four-image animation of teeny dark Phobos crossing Mars' huge orange disk. Mars Orbiter Mission joins a long line of Mars missions that have produced images of Mars and Phobos together.

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From Mercury orbit, MESSENGER watches a lunar eclipse

Posted by Emily Lakdawalla on 2014/10/10 10:07 CDT | 3 comments

Watch as our enormous moon -- a quarter the diameter of the planet -- just winks out as it passes into Earth's long shadow, in an animation captured from more than 100 million kilometers away.

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What did Dawn learn at Vesta?

Posted by Emily Lakdawalla on 2014/10/09 03:53 CDT | 12 comments

It's now been two years since Dawn wrapped up its work at the second-largest asteroid. What else did we get from the Vesta encounter besides great photos? Recently, I asked Dawn's deputy project scientist, Carol Raymond, for help in summarizing a few of the big things Dawn taught us.

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New global Mars image from Mars Orbiter Mission features Gale crater

Posted by Emily Lakdawalla on 2014/10/07 11:58 CDT | 4 comments

ISRO has released a second global image of Mars from the Mars Colour Camera on Mars Orbiter Mission, and smack dab in the center of it is Gale crater, home to Curiosity.

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A Clearer Impression of Degas Crater

Posted by Bill Dunford on 2014/10/06 09:31 CDT | 2 comments

MESSENGER is revealing the first planet in sharp detail.

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Mattias Malmer's amazing 3D views of Churyumov-Gerasimenko

Posted by Emily Lakdawalla on 2014/10/02 01:14 CDT | 5 comments

I'm thrilled to be able to share with you all a spectacular set of images of Rosetta's comet, produced from NavCam data by a master space image processing enthusiast.

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More LightSail Day-in-the-Life Multimedia, and a Community Image Processing Challenge

Posted by Jason Davis on 2014/09/30 01:07 CDT | 2 comments

We have more multimedia from LightSail's day-in-the-life test, as well as a request for some community image processing help.

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Curiosity update, sols 748-763: Driving and Drilling at Pahrump Hills

Posted by Emily Lakdawalla on 2014/09/29 05:57 CDT | 10 comments

The biggest news on Curiosity of late is that the rover has drilled her fourth full drill hole on Mars! Drilling happened at a site called "Confidence Hills" on sol 759. But before she did that, she took a long series of amazing photos of rock formations at Jubilee Pass, Panamint Butte, and Upheaval Dome.

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Mars Orbiter Mission delivers on promise of global views of Mars

Posted by Emily Lakdawalla on 2014/09/29 11:15 CDT | 18 comments

Ever since I first learned about the capabilities of Mars Orbiter Mission's small payload of science instruments, I have been anticipating one type of data in particular: global color views of Mars captured in a single 2000-pixel-square frame. Just days after entering orbit, Mars Orbiter Mission has delivered on that promise.

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In Pictures: A Busy Week at the International Space Station

Posted by Jason Davis on 2014/09/26 05:29 CDT

This week, the International Space Station received a new crew and a welcomed a SpaceX Dragon cargo vehicle. Here are a few photo highlights.

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Philae's landing day announced as Rosetta swings to comet's dark side

Posted by Emily Lakdawalla on 2014/09/26 03:36 CDT | 2 comments

ESA announced today that Philae will be landing on November 12, 2014. What time the landing occurs depends on which landing site they use. If they go to the prime landing site, "site J," Earth should receive word of the successful landing at 16:00 UTC (08:00 PST). If they go to the backup site, "site C," news will reach Earth at about 17:30 UTC (09:30 PST). Mark your calendars!

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