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Planetary Society Advent Calendar for December 31: Uranus

Emily Lakdawalla • December 31, 2009

Did you think I was going to skip Uranus? How could I?

Mars Exploration Rovers Update: Spirit Perseveres Struggles, Opportunity Digs in at Marquette Island -- And We Look Back on 2009

A.J.S. Rayl • December 31, 2009

The Mars Exploration Rovers quietly wrapped up 2009 this month: Spirit continued to valiantly spin its wheels in an attempt to get out of its embedded location on the west side of Home Plate in Gusev Crater; and Opportunity continued its investigation of Marquette Island, perhaps the oldest Martian rock it's found to date at Meridiani Planum.

Worsening outlook for Spirit

Emily Lakdawalla • December 31, 2009

I just got a press release from the Jet Propulsion Laboratory that made my heart sink; the extrication effort for Spirit is not going at all well. I did not want to keep sounding a knell of bad news. But once in a while, I do have to report bad news.

2009: The Year in Pictures

Emily Lakdawalla • December 31, 2009

At last, I've posted my annual Year in Pictures feature. Go check it out!

NASA selects three new missions for New Frontiers studies

Bruce Betts • December 30, 2009

NASA has selected three finalists for the next New Frontiers mission: a Venus lander, a near Earth asteroid sample return, and a lunar Aitken basin sample return mission.

Planetary Society Advent Calendar for December 30: Tempel 1

Emily Lakdawalla • December 30, 2009

Looking over the list of planets, moons, and smaller bodies I posted so far, I realized I didn't have an image of a comet yet.

Planetary Society Advent Calendar for December 29: Rhea

Emily Lakdawalla • December 29, 2009

Rhea? You might be asking. Rhea? When Saturn has so many more interesting moons? Hear me out.

Planetary Society Advent Calendar for December 28: Ariel

Emily Lakdawalla • December 28, 2009

Here's yet another of the moons of Uranus for you: Ariel, a near-twin in diameter to Umbriel, but apparently with more interesting geology.

Planetary Society Advent Calendar for December 27: Prometheus (hot off the presses!)

Emily Lakdawalla • December 27, 2009

This one is fresh from the spacecraft! The data were captured yesterday, December 26, by Cassini during its best yet imaging encounter with the small ringmoon Prometheus, and showed up on the Cassini raw images website today.

Planetary Society Advent Calendar for December 26: Titan

Emily Lakdawalla • December 26, 2009

Titan is a weird alternate-universe Earth, surprisingly similar to our own planet in some ways, but not at all like our planet in others.

Planetary Society Advent Calendar for December 25: Double planet

Emily Lakdawalla • December 24, 2009

To those of you who celebrate the holiday, merry Christmas! I hope Santa was good to you.

Happy Christmas on Mars!

Emily Lakdawalla • December 24, 2009

This was so cute I had to repost it -- and record it too.

Planetary Society Advent Calendar for December 24: Ganymede

Emily Lakdawalla • December 24, 2009

I think if you polled most space fans about their favorite moons of Jupiter, Ganymede would come in a consistent third behind Europa and Io. It's just not fair.

A Space Carnival and a radio show

Emily Lakdawalla • December 24, 2009

Wander on over to Cumbrian Sky to check out a special Christmas edition of the Carnival of Space!

Awesome Cassini mutual event movies

Emily Lakdawalla • December 23, 2009

I love posting animations of Cassini images that I compose from frames grabbed from the mission's raw images website, but they are shoddy compared to the versions that eventually come out from the mission's imaging team.

Planetary Society Advent Calendar for December 23: Deimos

Emily Lakdawalla • December 23, 2009

Mars' moon Deimos never gets as much love as Phobos.

Celebrate exploration with Stephen Hawking and Buzz Aldrin!

Emily Lakdawalla • December 23, 2009

The Planetary Society is hosting a luncheon on January 23, 2010 that will celebrate the achievements of two renowned heroes of space exploration, physicist Stephen Hawking and Apollo 11 astronaut Buzz Aldrin.

What Will Be the Top Space Story in 2010?

Susan Lendroth • December 22, 2009

What do you think will be the top trend in space in 2010? In his Cosmic Log on MSNBC, Alan Boyle suggests that The Planetary Society's solar sailing project may be a contender.

Planetary Society Advent Calendar for December 22: Venus

Emily Lakdawalla • December 22, 2009

Venus is such a beautiful, brilliant light in the sky. (When it's up; just now Venus is actually near solar conjunction, so we'll have to wait a bit for it to grace the heavens.)

Planetary Society Advent Calendar for December 21: Miranda

Emily Lakdawalla • December 21, 2009

Miranda is the one moon of Uranus for which we have very good images from Voyager 2, and that was a stroke of luck, because low-resolution shots of all of Uranus' moons would have told us that it was, geologically speaking, the most dramatic of the five biggest ones.

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