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Stories, updates, insights, and original analysis from The Planetary Society. 

Meridiani hydration map

Mapping Meridiani: Part 2

Last time, I gave some of the background information about my research. Now, armed with that knowledge, we can press forward and talk about what I do.

Saturn's moons at a common phase angle and a common scale

Showing off Saturn's moons

There was a press release from the Cassini mission today about a pile of papers (14 of them!) being published in the journal Icarus about Saturn's icy moons. I haven't had time to read more than the overview article yet, but I wanted to come up with a graphic for an overview of Saturn's moons, and I couldn't resist delving into the massive database of Cassini images to produce something new

Solar system montage with eight planets

"Moon?"

It's a legal holiday here in the U.S. (President's day), and my daughter's babysitter is taking the day off, so I won't be getting much work done today. But I thought I'd check in to share the fact that, as we got out of the car last week, my daughter pointed up in the sky at the crescent moon and said

Clouds drift by Opportunity, sol 1,433 (February 4, 2008)

Opportunity watches the clouds drift by

Opportunity is now following a rather leisurely autumn schedule, according to the latest update on the mission website. Some of the work Opportunity is doing involves staring skyward, looking for patterns in the clouds that pass overhead at this time of year. One of the guys at unmannedspaceflight.com has put together some nifty animations of the wispy cloud patterns.

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