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

Pretty picture: Three moons of Saturn

The Cassini Raw Images Website always offers rewards to the browser. This evening I found the raw images necessary to create this color composite, showing the hazy orange moon Titan, the mid-sized icy moon Dione, and the tiny rock Prometheus all at the same time.

Pretty picture: Crescent Dione

I was busy with other projects today, so today's post just asks you to look at this gorgeous three-image mosaic of a crescent Dione, taken during Cassini's most recent flyby a week ago.

Fly over Saturn's icy moons

A couple of weeks ago Paul Schenk posted a few really cool videos to his personal blog. Paul's subspecialty is the topography of icy moons, and he's been doing a lot of work on the moons of Saturn lately.

Decoding a Titan crater

In response to Emily's entry about finally getting her hands on a subscription to the planetary science journal Icarus, I thought I would report on an article from the most recent issue: Geology of the Selk crater region on Titan from Cassini VIMS observations, by Jason Soderblom and 11 other scientists.

Watching the birth and death of moonlets in Saturn's F ring

The Saturn system is always in motion, always changing. Saturn itself is a gas giant, with swirling storms, and like the other gas giants it has a host of moons flying around, perturbing each other's motions. And then there's the rings.

Cassini eyes Janus

Four times a year, the Cassini mission releases three months' worth of data gathered from Saturn and its moons to NASA's Planetary Data System.

Lutetia -- and Saturn!!

A quick post of just one of the gorgeous images from Rosetta's flyby of Lutetia today; for more, see the Rosetta Blog. But this one was just too pretty to wait for.

Sharpest-ever images of Daphnis

As promised last week, Cassini has delivered its best photos yet of the tiny moon Daphnis, the ringmoon that is responsible for carving out the skinny Keeler gap at the outer edge of Saturn's A ring.

Saturn's hexagon is not unique

It turns out that Saturn's not the only place that displays geometrical shapes in its atmosphere. Earth does too.

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