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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.

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.

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."

Planetary Society Advent Calendar for December 10: Triton

Emily Lakdawalla • December 10, 2009

Welcome to the tenth post in my "Advent Calendar" -- I am opening a door each day on a different world in the solar system, and I'll be continuing to do so until New Year's Day.

Planetary Society Advent Calendar for December 9: Atlas

Emily Lakdawalla • December 09, 2009

Here's another weird-looking one, though it's less weird from this particular, polar point of view than it is when viewed from the side.

Planetary Society Advent Calendar for December 8: Itokawa

Emily Lakdawalla • December 08, 2009

I love this asteroid. It's just so weird-looking.

Planetary Society Advent Calendar for December 7: Jupiter

Emily Lakdawalla • December 07, 2009

Jupiter has been high overhead at sunset for several months, a brilliant light that's easy to spot even when the sky is still bright at dusk; but it's now moving quickly to the west as Earth speeds ahead of Jupiter's more stately march around the Sun.

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