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Snapshots from Space

by Emily Lakdawalla

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Emily Lakdawalla

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

Hurricane Sandy: Thanks for lives saved already

Emily Lakdawalla • October 29, 2012

Today hurricane Sandy is a major threat to life and property across the west coast of the northern Atlantic ocean. I just want to give thanks in advance to all the people who have devoted their careers to making sure that Americans have sufficient warning of devastating, unstoppable weather events like this one.

DPS 2012: Double occultation by Pluto and Charon

Emily Lakdawalla • October 26, 2012 • 5

A few talks at last week's Division for Planetary Sciences meeting discussed observations of a double occultation -- both Pluto and Charon passing in front of the same star.

DPS 2012: Who were you wearing?

Emily Lakdawalla • October 24, 2012 • 2

Scientific conferences have become more fun since it suddenly became cool to be a geek. I thoroughly enjoy the "geek uniform" of witty T-shirt and jeans, and did my best to wardrobe myself in relevant geekwear each day of the meeting. This post is for all the people at DPS who asked where my clothes came from.

DPS 2012: Future impact risks

Emily Lakdawalla • October 24, 2012 • 7

Continuing my writeup of notes from last week's Division for Planetary Sciences meeting: presentations on the risks of future asteroid impacts. How much risk do we face, and what are the appropriate actions to take in the face of that risk?

Oct. 24 Cosmoquest Astronomy Hour: Special DPS update

Emily Lakdawalla • October 23, 2012

Join me and Fraser Cain for a brief update on Curiosity and other exciting science presented at last week's Division for Planetary Sciences meeting, and get your pressing space questions answered! The Google+ Hangout is on Wednesday, October 24, at 16:00 PDT / 23:00 UTC. Note: this one will end about 15 minutes early.

A huge color global view of Dione

Emily Lakdawalla • October 23, 2012

From the Cassini data archives comes a huge (5000 pixels square!) color image of Saturn's icy moon Dione, worth investigating from both near and far.

Book Review: Planetary Surface Processes, by H. Jay Melosh

Emily Lakdawalla • October 23, 2012 • 2

Planetary Surface Processes provides a rigorous overview of every process that shapes the appearance of planetary surfaces, and I'll be referring to it to help me explain everything from impact cratering to isostasy.

DPS 2012: The most detailed images of Uranus' atmosphere ever

Emily Lakdawalla • October 22, 2012 • 4

New ground-based images of Uranus show more finely detailed structure than any photos I have ever seen.

DPS 2012, Day 5: How to make asteroids crunchy on the outside and soft in the middle

Emily Lakdawalla • October 19, 2012 • 2

A summary of just one talk from the Division for Planetary Sciences meeting, by Lindy Elkins-Tanton, which provided a neat explanation for how asteroids can be melted and layered on the inside yet have a primitive-looking exterior.

DPS 2012, Tuesday: Titan's surface

Emily Lakdawalla • October 17, 2012 • 4

Tuesday morning at the Division of Planetary Sciences meeting featured talks on the surface composition and landforms on Titan, including lakes and "hot cross buns."

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