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Emily's Blog

Snapshots from Space

by Emily Lakdawalla

Follow the thrilling adventures of planetary missions, past and present, and see the stunningly beautiful photos that they return from space!

Emily Lakdawalla

Latest Blog Posts:

Chang'e 3 landing tomorrow 13:40 UT, earlier than previously reported

Posted by Emily Lakdawalla on 2013/12/13 11:20 CST | 1 comment

According to numerous Chinese news reports, Chang'e 3's landing on the Moon is now scheduled to begin at 21:40 Beijing time on December 14, which is 13:40 UT or 05:40 PT. That's about two hours earlier than previously stated.

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Watch this with your kids: Asteroid Fact versus Fiction

Posted by Emily Lakdawalla on 2013/12/12 04:52 CST

A cute video from the OSIRIS-REx mission in the style of "AsapSCIENCE" uses a whiteboard and stop-motion animation to separate asteroid fact from fiction.

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Enceladus huffs and puffs: plumes vary with orbital longitude

Posted by Emily Lakdawalla on 2013/12/11 07:22 CST | 2 comments

In which I finally get around to writing about a paper published last August: Enceladus' plumes sometimes spout more and sometimes spout less, depending on where Enceladus is in its orbit. This discovery was enabled by Cassini's longevity at Saturn, and we'll be able to follow up on it, as long as Cassini is allowed to complete its mission.

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AGU 2013: Citizen Science in the Era of Big Data

Posted by Emily Lakdawalla on 2013/12/11 03:12 CST | 1 comment

On Friday at the American Geophysical Union meeting in San Francisco, I'm co-chairing an oral session titled "ED51: Era of Citizen Science: Intersection of Outreach, Scientific Research and Big Data." It's about the myriad ways in which members of the public are making positive contributions to science.

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Quick Chang'e 3 and Mars Orbiter Mission updates

Posted by Emily Lakdawalla on 2013/12/11 11:01 CST | 6 comments

Yesterday Chang'e 3 lowered its orbit periapsis to a mere 15 kilometers, and Mars Orbiter Mission successfully performed a trajectory correction maneuver.

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Curiosity results at AGU: Gale crater rocks are old, but have been exposed recently

Posted by Emily Lakdawalla on 2013/12/09 08:31 CST | 4 comments

In a Martian first, the Curiosity science team has measured the age of a Martian rock, in two totally different ways. They presented the result at the 2013 meeting of the American Geophysical Union.

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Attend the 2013 Fall Meeting of the American Geophysical Union virtually

Posted by Emily Lakdawalla on 2013/12/06 02:10 CST

Next week is the annual Fall Meeting of the American Geophysical Union (AGU), an enormous gathering of geoscientists of all varieties that occurs every year at the Moscone Center in downtown San Francisco. AGU is putting increasing effort into making it possible to attend some sessions virtually, and press briefings will be webstreamed, too.

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Chang'e 3 has arrived in lunar orbit

Posted by Emily Lakdawalla on 2013/12/06 09:53 CST | 13 comments

Just a quick update: Chang'e 3 successfully entered lunar orbit today at 09:53 UTC, after a 361-second lunar orbit insertion burn.

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Chang'e 3 and LADEE updates -- and Lunar Reconnaissance Orbiter, too, for good measure

Posted by Emily Lakdawalla on 2013/12/05 08:40 CST

Chang'e 3 is just about to land on the Moon, and the LADEE orbiter has begun a new science mission there, while Lunar Reconnaissance Orbiter is still producing amazing images.

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Mars' chemical history: Phyllosian, Theiikian, Siderikian, oh my

Posted by Emily Lakdawalla on 2013/12/05 01:08 CST | 4 comments

I'm returning to the deep dive into the literature that began with articles about lunar basins and then explored the geologic time scales of Earth, Moon, and Mars. Now it's time to catch up to the last decade of Mars research and learn what "phyllosian", "theiikian", and "siderikian" eras are.

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