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

Seeing Ourselves in Space

When we look at our planet, look for life, or direct a rover to look at itself, we see ourselves in new ways.

How long is a day on Saturn?

One of the Cassini mission's goals was to figure out how long a day on Saturn is. We still don't know. A new paper reports a measurement of the rotation period of Saturn that is different from past measurements.

Saturn's Ring Particles

Artist and astrophotographer Judy Schmidt brings us a view from within the rings of Saturn.

Watch the entire Cassini mission image catalog as a movie

If you were to download the entire catalog of photos taken at Saturn to date by Cassini and then animate them like a flipbook, how long would it take to watch them all pass by? The Wall Street Journal's Visual Correspondent Jon Keegan has your answer: nearly four hours.

A Sky Full of Stars

In pictures of the planets, the stars aren't usually visible. But when they do appear, they're spectacular.

Another Pale Blue Dot — Uranus Spied By Cassini

The Cassini mission has already returned an array of images of other solar system members from Saturn orbit: Earth (and the Moon), Venus, Mars, and Jupiter. It’s time to add another world to that list!

A little fun with Cassini rings images

It's happened again; I went into the Cassini image archive looking for something specific and wound up spending several hours playing with totally unrelated image data. Here are several beautiful images of the rings from the archives.

Just what is going on in that magnificent Cassini image of Saturn?

It took months of work (and no wonder) but the wait was worth it: here is Cassini's spectacular view of Saturn, captured on July 19, 2013, as Cassini passed through Saturn's shadow. If you're a little confused by the image, I'm here to help: I've posted a video explainer.

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