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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.

Checking up on Jupiter and Saturn

Emily Lakdawalla • February 10, 2012

It's amateur astronomers, not professionals, who are shouldering the burden of constant monitoring of the weather on Jupiter and Saturn. What's going on these days in the outer solar system?

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