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The Planetary Society Blog
Archive
Archived posts are listed in reverse chronological order.
Aug. 17, 2009 | 10:51 PDT | 17:51 UTC
Send a message to the aliens
Last week I got a message via Facebook from one Jacqui Hayes, who's on the staff of an excellent Australian science magazine called COSMOS. More importantly to me, Jacqui was once one of the Student Navigators, an international group of students... More»
Aug. 17, 2009 | 10:11 PDT | 17:11 UTC
Uranian crescents
Here's a little piece of eye candy for you. There is a canonical shot of Uranus taken by Voyager 2 as it departed the system, showing the apparently serene blue orb as a thin crescent:Click to enlarge >Crescent UranusThis view of Uranus was... More»
Aug. 14, 2009 | 15:41 PDT | 22:41 UTC
This will be one spectacular Saturn mosaic when it's assembled properly
Among the many images recently posted to the Cassini raw images website from near the equinox were numerous frames from a ginormous multi-filter 19-frame mosaic on Saturn and its rings. This one is really unusual because the ring system shadow has... More»
Aug. 14, 2009 | 09:20 PDT | 16:20 UTC
A week of Tweets
Here's what I've been nattering about on Twitter this week. If you'd like to see these in real time, Follow me at Twitter. A word on some Twitter conventions: "RT" means "Retweet" -- I'm repeating something that somebody else said. And anything... More»
Aug. 14, 2009 | 08:06 PDT | 15:06 UTC
New image of Opportunity on Mars
I really can't explain why it didn't occur to me to search for the rover in the image of Victoria crater released by the HiRISE team on Wednesday. Actually, now that I reflect on it, I can; the press release about the photo of the crater hit my... More»
Aug. 13, 2009 | 11:38 PDT | 18:38 UTC
The Jupiter Impact
I've received a half-dozen emails asking why there hasn't been anything on the blog yet about the Jupiter impact. The answer: there's only one of me! But now I'm finally getting to the story, nearly a month after it happened. There is one... More»
Aug. 13, 2009 | 11:28 PDT | 18:28 UTC
The latest from the 2009 Arctic Mars Analogue Svalbard Expedition
I've just posted five blog entries written by Adrienne Kish and Juan Rodriguez, participants in this year's Arctic Mars Analogue Svalbard Expedition (AMASE). This week has seen them begin field work in earnest, with lots of work on a project titled... More»
Aug. 12, 2009 | 16:30 PDT | 23:30 UTC
Are we doing enough to detect and track asteroids?
by Charlene M. Anderson
Back here on Earth, are we doing enough to detect and track asteroids and comets that might even now be on a collision course with our planet? The answer, according to the National Research Council (NRC) of the National... More»
Aug. 12, 2009 | 10:57 PDT | 17:57 UTC
Images from equinox!
There are lots of new raw images from August 10 and 11 on the Cassini raw images website now. This one, I believe, is a shot of the rings just before equinox. The rings are incredibly dark, being light from the side so much that they are now... More»
Aug. 12, 2009 | 09:59 PDT | 16:59 UTC
Mars eye candy: New oblique view of Victoria crater
Today the HiRISE team released a lovely new view of Victoria crater, taken nearly a year after the Opportunity rover departed it:Click to enlarge >Oblique view of Victoria craterThe HiRISE camera aboard Mars Reconnaissance Orbiter captured this... More»
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