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The Planetary Society Blog
Archive
Archived posts are listed in reverse chronological order.
Jan. 27, 2009 | 10:33 PST | 18:33 UTC
Saturn and Tethys, in color
Eye candy is a great way to start the day. I spotted the images necessary to make this mosaic on the new-and-improved Cassini raw images website last week but after struggling for a little while to assemble even a couple of them into a coherent... More»
Jan. 26, 2009 | 14:40 PST | 22:40 UTC
Your friendly neighborhood asteroid
Like a rhinoceros lumbering across the savannah with a few oxpeckers as passengers, Earth is accompanied in its orbit by several diminutive followers known as co-orbital asteroids. They share the same region of space as Earth does, orbiting the Sun... More»
Jan. 24, 2009 | 08:33 PST | 16:33 UTC
365 Days of Astronomy Podcast: Five Years of Living Vicariously on Mars
Next in The Planetary Society's 365 Days of Astronomy doubleheader is Planetary Society President Jim Bell, whose show, airing today, is on "Five Years of Living Vicariously on Mars." It's in honor, of course, of the fifth anniversary of the... More»
Jan. 23, 2009 | 15:45 PST | 23:45 UTC
The sol 18 shoe dropped today
Every morning as I eat breakfast I've been tuning in to Scott Maxwell's blog for my latest blast from Spirit's past. (As I've mentioned before, Scott is a rover driver who has just started up a blog that consists of his daily journals from five... More»
Jan. 23, 2009 | 08:17 PST | 16:17 UTC
365 Days of Astronomy Podcast: Voyage Past the Sideways Planet
In the first game of a Planetary Society doubleheader of contributions to the 365 Days of Astronomy Podcast, my latest show, airing today, looks back to Voyager 2's encounter with Uranus, which happened 23 years ago tomorrow, just four days before... More»
Jan. 22, 2009 | 11:46 PST | 19:46 UTC
Please send me your questions for Planetary Radio Q and A
In less than two weeks I'll be moving to a new house, so I am going to be frazzled and crazy and distracted and probably not quite as regular in my posting as usual. In an effort to reduce the work I'll have to do through next month, I would love to... More»
Jan. 22, 2009 | 10:36 PST | 18:36 UTC
ANSMET blogs: So close to the 500-meteorite mark...
I just checked in to the daily blog of the Antarctic Search for Meteorites (ANSMET) campaign and have posted more than a week's worth of their writings, in which Mother Nature plays games with them, alternately giving and taking away. Still, with... More»
Jan. 21, 2009 | 16:48 PST | Jan. 22 00:48 UTC
What are the rovers up to?
Spirit's been getting some nice views of the spot it spent all of 2008 in, "Home Plate north." Here's a panorama composed of five Navcam frames; you can see over at the right the tracks left behind as Spirit descended from the steep slope,... More»
Jan. 20, 2009 | 16:26 PST | Jan. 21 00:26 UTC
What do we know about Uranus' moons? Part 1
EDIT: Here's Part 2. And here's a link to the transcript of my podcast.
While preparing for an upcoming 365 Days of Astronomy piece I did on the Voyager 2 Uranus encounter (look for that on Friday), I got an urge to dive in to the Voyager image... More»
Jan. 20, 2009 | 09:06 PST | 17:06 UTC
Asteroids awesomeness
When I first posted my asteroids-and-comets-to-scale montage in preparation for Rosetta's encounter with Steins last August, I got lots of email. Several people suggested I add in Mars' moons Phobos and Deimos, likely captured asteroids; a couple... More»
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