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Stories, updates, insights, and original analysis from The Planetary Society.
Two fine color Cassini animations: Prometheus rotating, Tethys and Dione dancing
Daniel Macháček has reached into the dark side of Prometheus and pulled out an incredible amount of detail where the potato-shaped moon is illuminated by Saturnshine. He produced an animation that morphs among the three sets of four-filter color images that Cassini snapped during the flyby.
2010 JL33: How to see an asteroid from quite a long way away
A terrific set of Goldstone radar images of a good-sized near-Earth asteroids named 2010 JL33 was posted to the JPL website yesterday. They also posted a movie version but something about these pixelated radar image series absolutely begs for them to be displayed as an old-school animated GIF, so I made one.
Goodies from the January 11 Rhea flyby
Cassini got some incredibly tricky shots during its January 11 Rhea flyby!
Solar eclipses from space: Hinode and SDO
Two spacecraft that keep their ever-watchful eyes on the Sun -- NASA's Solar Dynamics Observatory (SDO) and JAXA's Hinode -- were doing their thing, when something large wandered past: the Moon.
Sunset and eclipse on Mars
These two movies were posted to the JPL website a couple of weeks ago, and they are just amazing.
Happy 2011, and an end to the 2010 advent calendar
Welcome 2011! I can't wait for what this year has in store. The prize for all of you who have enjoyed opening each door in the Planetary Society's 2010 advent calendar is one of the best views we can get of one of the biggest objects in the asteroid belt, Vesta.
Door 31 in the 2010 advent calendar
Time to open the thirty-first (and next-to-last) door in the advent calendar. Where in the solar system are these dark-rimmed craters?
Bye bye, Kodachrome, but "Kodak moments" will live on in space
This week is the end for Kodachrome film. It's a casualty of the digital revolution.
Door 30 in the 2010 advent calendar
Time to open the thirtieth door in the advent calendar. Where in the solar system is this ridged crater?
The Year in Pictures: 2010
I've just posted my annual roundup of significant images from planetary exploration in 2010.
Door 29 in the 2010 advent calendar
Time to open the twenty-ninth door in the advent calendar. Where in the solar system is this fractured flowing ice?
SOHO's 2000th comet
SOHO was launched more than 15 years ago to study the Sun, primarily; but a side benefit of its constant observation of the Sun has been its ability to notice
365 Days of Astronomy Podcast: Small Worlds
Today the 365 Days of Astronomy podcast aired my contribution, Small Worlds, about the smaller denizens of the solar system visited in the past year, and due to be visited in the next.
Door 27 in the 2010 advent calendar
Time to open the twenty-seventh door in the advent calendar. Where in the solar system is this flat-floored depression?
Door 26 in the 2010 advent calendar
Time to open the twenty-sixth door in the advent calendar. Where in the solar system is this rayed crater?
Door 25 in the 2010 advent calendar
Time to open the twenty-fifth door in the advent calendar. Where in the solar system are these conjoined craters?
Door 24 in the 2010 advent calendar
Each day until the New Year, I'll be opening a door onto a different landscape from somewhere in the solar system. Where in the solar system are these squirrely spots?
Door 23 in the 2010 advent calendar
Time to open the twenty-third door in the advent calendar. Where in the solar system is this oozing wound?
Door 22 in the 2010 advent calendar
Time to open the twenty-second door in the advent calendar. Where in the solar system are these degraded craters?
Mimas wanders in to view
Cassini's busy downlinking photos from yesterday's close pass by Enceladus, including some neat shots of Dione and this one where Mimas skipped briefly in to the field of view.