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Planetary Society Advent Calendar for December 15: Mars

Emily Lakdawalla • December 15, 2009

We have three orbiters and two rovers currently exploring Mars, each of which returns breathtaking photos on a daily basis.

No, they can't push with the arm to free Spirit

Emily Lakdawalla • December 15, 2009

I've gotten this question about once a week since Spirit got stuck, but yesterday, two different readers asked the same question within an hour of each other, so I figured it was time for a blog entry.

A teeny weeny bit of movement in Spirit's right front wheel

Emily Lakdawalla • December 14, 2009

The ever-vigilant Doug Ellison just posted this animation, which really actually does show a teeny tiny bit of motion in the right front wheel. If you don't notice any motion, look closer.

Planetary Society Advent Calendar for December 14: The Moon

Emily Lakdawalla • December 14, 2009

The Moon is the most familiar of the objects in the heavens.

Congratulations to the WISE team on a successful launch!

Emily Lakdawalla • December 14, 2009

It was worth my while to get up at 5:15 my time this morning -- I saw a flawless launch of a Delta II from Vandenberg Air Force Base, carrying the Wide-field Infrared Survey Explorer (WISE) into orbit.

Planetary Society Advent Calendar for December 13: Dactyl

Emily Lakdawalla • December 13, 2009

If you don't think Pluto gets enough respect, just imagine what it's like to be a satellite of an asteroid.

Copenhagen Needs More Space, Part 2 The Orbiting Carbon Observatory Must Fly Again

Charlene Anderson • December 13, 2009

In our continuing saga of the Orbiting Carbon Observatory (OCO), the scene now switches from Copenhagen to Washington, D.C.

Planetary Society Advent Calendar for December 12: Saturn

Emily Lakdawalla • December 12, 2009

Cassini's amazing cameras have set a new standard for the quality, sharpness, resolution, beautiful color, and all-around spectacularness of images returned from the outer solar system.

Planetary Society Advent Calendar for December 11: Io

Emily Lakdawalla • December 11, 2009

This is a special post for all of my readers who are lighting the first candle on their menorot this evening.

Awesome Mars Express view of Phobos and Deimos together

Emily Lakdawalla • December 11, 2009

My inbox was exploding this morning with messages about a tremendously cool animation released this morning by ESA's Mars Express team. It shows Phobos crossing Deimos, in what's known as a "mutual event."

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