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

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.

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?

The Year in Pictures: 2010

I've just posted my annual roundup of significant images from planetary exploration in 2010.

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 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?

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.

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