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Intro Astronomy Class 9: Titan, Uranus and Neptune Systems

Posted by Bruce Betts on 2014/04/11 02:31 CDT

Examine Saturn's moon Titan and explore the Uranian and Neptunian systems in this video of class 9 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

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Intro Astronomy 2014. Class 8: Icy Galilean Satellites, Saturn System

Posted by Bruce Betts on 2014/04/11 02:28 CDT

Explore the icy moons of the Jupiter System and tour the Saturnian system in this video of class 8 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

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Help name the last phase of the Cassini mission!

Posted by Emily Lakdawalla on 2014/04/10 06:31 CDT | 12 comments

The scientists on the Cassini team are incredibly excited about the final, "proximal orbit" phase of the mission. But they want a punchier name for it, and they're asking the public for help.

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LPSC 2014: Titan's Land of Lakes

Posted by Emily Lakdawalla on 2014/03/31 07:44 CDT | 2 comments

Report from a varied session on Titan's lakes at this year's Lunar and Planetary Science Conference.

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Snapshots of Science from the 2014 Lunar and Planetary Science Conference

Posted by Emily Lakdawalla on 2014/03/25 02:45 CDT | 2 comments

Vignettes from dozens of LPSC talks: GRAIL and LADEE at the Moon; ice and craters and conglomerates and organics and gullies on Mars; polar deposits and volatile elements on Mercury; tectonics on Enceladus; and more, until my brain was so full I could barely speak.

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Dancing With Saturn

Posted by Bill Dunford on 2014/03/24 09:30 CDT | 5 comments

Cassini images in motion.

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Intro Astronomy Class 7: Near Earth Asteroids and the Jupiter System

Posted by Bruce Betts on 2014/03/21 02:10 CDT

Examine the threat of near Earth asteroids and begin exploring the Jupiter System in this video of class 7 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

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Titan's lakes: The basics

Posted by Emily Lakdawalla on 2014/03/15 10:30 CDT | 7 comments

Since Seth MacFarlane tweeted that this weekend's episode of Cosmos was going to include a segment on lakes on Titan, I thought I'd write a post explaining the basics of Titan lakes.

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A little fun with Cassini rings images

Posted by Emily Lakdawalla on 2014/02/25 06:51 CST | 7 comments

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.

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The Two Faces of Phoebe

Posted by Daniel Macháček on 2014/02/13 10:03 CST | 7 comments

Cassini flew past Phoebe on June 11, 2004, on its way to entering Saturn orbit. The flyby was almost perfect but overexposure of some images have prevented color mosaics from being produced. Even though Phoebe's body is gray and dull in color, the absence of color images always provoked me. By using VIMS data, I have now produced color mosaics.

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Through a Glass, Darkly

Posted by Bill Dunford on 2014/01/13 12:46 CST | 5 comments

When sent from deep space, even imperfect images can inform and amaze.

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Polar vortices across the solar system

Posted by Emily Lakdawalla on 2014/01/09 11:49 CST | 2 comments

Earth's polar vortex has been in the American news all week. But we're not the only planet that has one; basically every world that has an atmosphere has a polar vortex. Here are lots of pretty pictures and animations of polar vortices.

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What's up in planetary missions in 2014

Posted by Emily Lakdawalla on 2013/12/31 01:15 CST | 4 comments

With the New Year upon us, what can we look forward to in 2014? For me, the main event of 2014 is that ESA's Rosetta mission finally -- finally! -- catches up to the comet it has been chasing for a decade. We will lose LADEE, gain two Mars orbiters, and launch Hayabusa 2. The year begins with an amazing 24 spacecraft exploring or cruising toward various planetary destinations.

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Enceladus huffs and puffs: plumes vary with orbital longitude

Posted by Emily Lakdawalla on 2013/12/11 07:22 CST | 2 comments

In which I finally get around to writing about a paper published last August: Enceladus' plumes sometimes spout more and sometimes spout less, depending on where Enceladus is in its orbit. This discovery was enabled by Cassini's longevity at Saturn, and we'll be able to follow up on it, as long as Cassini is allowed to complete its mission.

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Pretty picture: newly processed high-res view of a fractured icy moon, Dione

Posted by Emily Lakdawalla on 2013/12/04 11:38 CST | 4 comments

Here's a lovely new view of Dione, one of the lovely mid-sized icy moons of Saturn, assembled by Daniel Macháček.

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

Posted by Emily Lakdawalla on 2013/11/13 03:58 CST | 7 comments

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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Will We Lose Cassini’s "New" Mission at Saturn to Budget Cuts?

Posted by Van Kane on 2013/11/12 06:26 CST | 5 comments

NASA’s shrinking budgets for planetary exploration may force it to decide between continued funding for the Saturn Cassini mission and the continued funding for its Mars missions.

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One for the history books: Stunning Saturn mosaic captured last week by Cassini

Posted by Emily Lakdawalla on 2013/10/16 07:15 CDT | 5 comments

I try to be measured in my praise for spacecraft images. Not every photo can be the greatest space image ever. But this enormous mosaic showing the flattened globe of Saturn floating within the complete disk of its rings must surely be counted among the great images of the Cassini mission.

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America's Pastime: Planetary Science
Planetary Radio brings the home team to playoff week

Posted by Mat Kaplan on 2013/10/15 12:16 CDT

Apologies to baseball fans and others for the theme of this week's Planetary Radio preview, which has star player Emily Lakdawalla on deck.

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DPS 2013: Tidbits from Titan

Posted by Emily Lakdawalla on 2013/10/09 05:19 CDT | 8 comments

I attended a few talks at the Division for Planetary Sciences meeting today that concerned Titan's origin and interesting surface, and then one in the afternoon about the atmosphere.

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