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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:

Rosetta identifies five possible landing sites for Philae

Posted by Emily Lakdawalla on 2014/08/26 09:59 CDT | 8 comments

The Rosetta team has announced the selection of five regions on Churyumov-Gerasimenko that they will study as possible landing sites for little Philae. Now, as Rosetta surveys the comet from its second triangular "orbit" at an average distance of 60 kilometers, the mission will target these spots for extra attention.

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Cool animations of Phobos transits from Curiosity

Posted by Emily Lakdawalla on 2014/08/25 04:41 CDT | 4 comments

Shooting video of a lumpy moon crossing the Sun and turning it into a giant googly eye is not a new activity for Curiosity, but I get a fresh thrill each time I see one of these sequences downlinked from the rover.

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Best-ever Neptune mosaics for the 25th anniversary of Voyager 2's flyby

Posted by Emily Lakdawalla on 2014/08/25 10:58 CDT | 4 comments

In honor of the 25th anniversary of the Voyager 2 flyby of Neptune, image magician Björn Jónsson has produced two new global mosaics of the distant ice giant, the highest-resolution ever made.

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Curiosity update, sols 697-726: Mars thwarts driving and drilling

Posted by Emily Lakdawalla on 2014/08/22 04:24 CDT | 2 comments

The Mars gremlins really had it in for Curiosity this month. A computer glitch and slippery sand conspired to delay the rover's progress toward Mount Sharp. And shifting rocks proved unsafe for drilling. The rover will continue driving toward Mount Sharp, departing Bonanza King without drilling, skirting Hidden Valley along a plateau to its north.

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Philae landing site selection process under way as Rosetta closes to within 60 kilometers of the comet

Posted by Emily Lakdawalla on 2014/08/22 02:01 CDT | 9 comments

Rosetta spent the week transitioning to a lower orbit from which it continues to observe the comet. This weekend, the mission will select about five landing sites for more detailed study. They have also now estimated the mass of the comet.

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Curiosity wheel damage: The problem and solutions

Posted by Emily Lakdawalla on 2014/08/19 08:21 CDT | 26 comments

Now that a Tiger Team has assessed the nature and causes of damage to Curiosity's wheels, I can finally answer your frequently-asked questions about what wheel damage means for the mission, and why it wasn't anticipated.

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Finding my way around comet Churyumov-Gerasimenko

Posted by Emily Lakdawalla on 2014/08/15 12:30 CDT | 30 comments

Rosetta has nearly completed its first funky three-cornered orbit in front of the comet. Each day we're getting views of the nucleus from more directions. I step you through Churyumov-Gerasimenko's geography.

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Mars orbiters plan for their October encounter with comet Siding Spring

Posted by Emily Lakdawalla on 2014/08/13 06:00 CDT | 2 comments

Now that we have reasonable confidence that our Mars orbiters will be safe from the close passage of comet Siding Spring, we are free to be excited about the opportunity that the encounter represents. At a community workshop on August 11, representatives from Mars missions shared their plans for great comet science.

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Twinkling worlds in motion: New Horizons' first optical navigation images of Pluto and Charon

Posted by Emily Lakdawalla on 2014/08/07 02:31 CDT | 10 comments

What's that in the distance? A binary star? Those are two little round worlds dancing in circles, whirling around a point in space located between the two of them. It's Pluto and Charon, clearly separated by New Horizons' camera.

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"We're at the comet!" Rosetta has arrived at comet 67P

Posted by Emily Lakdawalla on 2014/08/06 04:58 CDT | 9 comments

After a journey of more than a decade, Rosetta has finally arrived at comet 67P Churyumov-Gerasimenko. Confirmation of the successful rocket firing came at about 9:30 UTC via a webcast from ESA's Operations Centre in Darmstadt, Germany.

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