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Planetary Society Advent Calendar for December 6: Umbriel

Emily Lakdawalla • December 06, 2009

Umbriel is the darkest moon in a pretty dark place in the solar system, the Uranus system.

Planetary Society Advent Calendar for December 5: Epimetheus

Emily Lakdawalla • December 05, 2009

Epimetheus is one of the many small moons of Saturn that are referred to by the Cassini mission team as "rocks" though they are probably mostly made of ice, not rock.

Planetary Society Advent Calendar for December 3: Europa

Emily Lakdawalla • December 03, 2009

From a distance, Jupiter's fourth largest moon Europa is the smoothest object in the solar system; its outline traces out a perfect circle.

Planetary Society Advent Calendar for December 1: Dione

Emily Lakdawalla • December 01, 2009

I've always loved advent calendars and the way they both managed and heightened my anticipation of the gift-opening frenzy of Christmas morning.

Spectacular animation of Halley's comet

Emily Lakdawalla • November 26, 2009

It's a holiday and I'm enjoying time with the family, so rather than write a lot, I will let a spectacular image do the talking for me.

Two more awesome pictures from the Enceladus flyby

Emily Lakdawalla • November 22, 2009

I'm getting to be a broken record here, but I can't stop looking at these photos from the Enceladus flyby.

Another great Enceladus shot

Emily Lakdawalla • November 21, 2009

Here's a 4-frame mosaic of Enceladus images -- just another everyday spectacularly alien landscape.

Prepare for your jaw to hit the floor when you see these pictures of Enceladus

Emily Lakdawalla • November 21, 2009

Wow, just wow. I didn't know what to expect from the second flyby of Saturn's geyser moon Enceladus in November, which happened yesterday.

Encouraging motion on Spirit

Emily Lakdawalla • November 19, 2009

It really looks like the second attempt at driving Spirit out of the trap has had the hoped-for result: some forward progress (maybe about a centimeter), and no evidence for further downward sinking.

Space Imaging II: Getting Started with MER and Cassini Raw Images now available for download

Emily Lakdawalla • November 19, 2009 • 2

I probably crammed too much into today's class: an hour-and-a-half whirlwind tour through the cameras on the rovers and Cassini, how to access their raw images on the Internet, and some basic processing that you can do with each of them.

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