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Stars, and stars, and stars: pretty pictures from the European Southern Observatory

Emily Lakdawalla • January 21, 2013 • 4

My solar system chauvinism is well-established, but I am as much a sucker for beautiful astrophotos as the rest of you. Once in a while I get a media advisory from the European Southern Observatory about a new pretty picture posted on their website, and then I inevitably lose an hour following links to one stunner after another.

The Astronomy Budget Squeeze

Casey Dreier • January 09, 2013 • 1

It's not just the Planetary Sciences division within NASA that's under harsh budgetary times. The NSF Division of Astronomical Sciences is facing a choice between funding scientists and funding telescopes. A report from the 221st AAS meeting in Long Beach.

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: 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?

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.

Following up the dark spot on Uranus

Heidi Hammel • September 04, 2012 • 2

It was a surprise and delight to have our Icarus paper highlighted in Emily Lakdawalla's blog. Thanks for highlighting Uranus, since it has gotten, ahem, a bum rap over the years. Here's more about our discovery of the dark spot on Uranus.

Optical SETI Gets a Major Upgrade

Bruce Betts • August 30, 2012 • 5

The Planetary Society Optical SETI Telescope in Harvard, Massachusetts just got a major upgrade of its electronics.

Virtual Star Parties

Emily Lakdawalla • June 28, 2012

Hang out with Fraser Cain and amateur astronomers all over the world in Cosmoquest's Virtual Star parties conducted over Google+. Here's how -- plus an inspiring video produced by Google to show just how cool this is.

Artist's views of a night sky transformed by a galaxy merger

Emily Lakdawalla • June 04, 2012 • 2

A measurement of the Andromeda galaxy's proper motion shows it's coming directly at us, and will collide with the Milky Way in 4 billion years. The event will transform the appearance of our night sky.

A possible nine-planet system

Emily Lakdawalla • April 06, 2012 • 1

Someone on Twitter pointed me to a paper recently posted to ArXiv titled "Evidence for 9 planets in the HD 10180 system." If the (tentative) conclusion holds up, HD 10180 will be the first exoplanetary system known to have more planets than our own.

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