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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:

GSA 2014: The puzzle of Gale crater's basaltic sedimentary rocks

Posted by Emily Lakdawalla on 2014/10/23 07:31 CDT | 9 comments

At the Geological Society of America conference this week, Curiosity scientists dug into the geology of Gale crater and shared puzzling results about the nature of the rocks that the rover has found there.

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UPDATED: China successfully launched test mission for Chang'e 5 program today

Posted by Emily Lakdawalla on 2014/10/23 09:54 CDT | 4 comments

China launched to the Moon today! The spacecraft will have a brief, 8-day mission, out to the Moon and back. It is an engineering test for the technology that the future Chang'e 5 sample return mission will need to return its precious samples to Earth.

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Status update: All Mars missions fine after Siding Spring flyby

Posted by Emily Lakdawalla on 2014/10/20 12:07 CDT | 2 comments

All seven Mars spacecraft are doing perfectly fine after comet Siding Spring's close encounter with Mars.

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Watching Siding Spring's encounter with Mars

Posted by Emily Lakdawalla on 2014/10/17 04:11 CDT | 5 comments

The nucleus of comet Siding Spring passes close by Mars on Sunday, October 19, at 18:27 UTC. Here are links to webcasts and websites that should have updates throughout the encounter.

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Curiosity update, sols 764-781: Work complete at Confidence Hills; puzzling arm issues

Posted by Emily Lakdawalla on 2014/10/17 12:53 CDT | 6 comments

Curiosity spent a total of four weeks at Confidence Hills, feeding samples to SAM and CheMin several times. On two weekends during this period, the rover's activities were interrupted by faults with the robotic arm. Curiosity drove away from Confidence Hills on sol 780, and is ready to observe comet Siding Spring over the weekend.

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Finally! New Horizons has a second target

Posted by Emily Lakdawalla on 2014/10/15 01:02 CDT | 16 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 | 10 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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