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Follow the thrilling adventures of planetary missions, past and present, and see the stunningly beautiful photos that they return from space!

Mimas and Pandora dance

Emily Lakdawalla • May 15, 2013 • 6

I've been out of town for a couple of days and am overwhelmed with work and an overflowing email box. So what do I do about that? I ignore what I'm supposed to be doing and play with Cassini raw image data, of course. Here is a "mutual event" of Mimas (the bigger moon) and Pandora (the outer shepherd of the F ring).

One of my favorite image processing tricks: colorizing images

Emily Lakdawalla • April 23, 2013 • 2

An easy image processing trick -- using lower-resolution color data to colorize a black-and-white photo -- is relied upon by many space missions to keep data volumes low. Here's how to do it.

LPSC 2013: License to Chill (or, the solar system's icy moons)

Emily Lakdawalla • March 27, 2013

Reports from the March 19 session at the Lunar and Planetary Science Conference covering eight icy moons in the outer solar system: Ganymede, Europa, Dione, Rhea, Mimas, Tethys, Enceladus, and Miranda.

Enceladus: A problem of contrast

Emily Lakdawalla • January 30, 2013 • 6

Time for my quarterly foray into the Cassini archival science data! The very first image I downloaded from the January 1, 2013 data release presented an interesting challenge to my image processing skill. I'll show you the pretty picture of Enceladus and then explain how I processed it.

That amazing image of Saturn's north pole just got better: now, it moves!

Emily Lakdawalla • November 28, 2012 • 2

Remember the amazing photo of Saturn's north pole that I posted yesterday? Now, thanks to an amateur image processor, it moves, and the motions of the individual clouds within the belts are mesmerizing.

Staring into Saturn's baleful eye

Emily Lakdawalla • November 27, 2012 • 12

Amazing photos have just come back from Cassini, of swirling clouds surrounding Saturn's north pole.

Watching the slow shift of seasons on Titan

Emily Lakdawalla • November 06, 2012 • 1

A sharp-eyed amateur noticed two images of Titan taken 20 months apart from nearly exactly the same perspective, and they illustrate how the shifting of Saturn's seasons has brought change to Titan's atmosphere.

A huge color global view of Dione

Emily Lakdawalla • October 23, 2012

From the Cassini data archives comes a huge (5000 pixels square!) color image of Saturn's icy moon Dione, worth investigating from both near and far.

DPS 2012, Tuesday: Titan's surface

Emily Lakdawalla • October 17, 2012 • 4

Tuesday morning at the Division of Planetary Sciences meeting featured talks on the surface composition and landforms on Titan, including lakes and "hot cross buns."

Happy Cassini PDS Release Day!

Emily Lakdawalla • October 08, 2012 • 2

It's a quarterly feast day for me: the day that the Cassini mission delivers three months' worth of data to NASA's Planetary Data System. Here's a few images processed from the October 1, 2012 data release.

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