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The Planetary Society Weblog
Archive
Archived posts are listed in reverse chronological order.
Aug. 28, 2008 | 11:14 PDT | 18:14 UTC
Dawn Journal: Some explanations of orbital dynamics
Here's our monthly checkup with the Dawn mission, contributed by Marc Rayman, the mission's Project System Engineer. Thanks Marc! --ESL
by Dr. Marc D. Rayman
Dear Dawnivores,
The Dawn spacecraft continues to make good progress on its adventure to... More»
Aug. 27, 2008 | 11:30 PDT | 18:30 UTC
Ustream chat with Lou Friedman -- sadly, no recording
Despite some initial technical difficulties I got today's Ustream chat running, pulling our esteemed leader Lou Friedman in to the broadcast from his own Webcam as a Ustream "cohost." Sadly, though, the "record" feature on Ustream did not appear to... More»
Aug. 27, 2008 | 10:56 PDT | 17:56 UTC
Pictures from the past: Viking 2 approaches Mars
On Monday I pointed to the awesome new website for the VMC instrument on Mars Express and mentioned that the camera can get views of Mars in a crescent phase. I thought it might be the first spacecraft to do so, but a couple of readers wrote in to... More»
Aug. 26, 2008 | 16:51 PDT | 23:51 UTC
GLAST has a new name: Fermi
The erstwhile Gamma-Ray Large Area Telescope (GLAST) has today received a new name: Fermi. More officially, it is the Fermi Gamma-Ray Space Telescope, one of the flagship orbiting observatories like the Hubble Space Telescope and Spitzer Space... More»
Aug. 26, 2008 | 09:06 PDT | 16:06 UTC
Asteroids and comets to scale, as a single image for printing or Powerpoint
After posting the montage of asteroids and comets to scale last week I got a lot of requests for a single-image version of the montage. Your wish is my command! Here is a single image of all of the asteroids and comets that have been visited by... More»
Aug. 25, 2008 | 15:53 PDT | 22:53 UTC
Ustream Chat Wednesday, August 27 at 1900 UTC: Space Policy with Lou Friedman
In my past Ustream broadcasts I've always demurred on space policy questions, since I consider myself far from an expert on such matters. So this week I'll have a special guest on to discuss space policy: my boss. Lou Friedman is cofounder and... More»
Aug. 25, 2008 | 14:12 PDT | 21:12 UTC
What's up in the solar system for the week of August 25
Well, we had a lovely family vacation at the beach and I managed to keep from doing any work. The same can't be said for my computer: I gave it plenty of work to do, downloading the complete set of Venus Express camera data, which was just last... More»
Aug. 24, 2008 | 07:40 PDT | 14:40 UTC
Three great new pages on Don Davis' website
Don Davis is a space artist who takes the question of color in space very seriously. So I was very happy to get an email from him a few weeks ago, telling me that he had revamped and updated several pages on his website pertaining to colors in... More»
Aug. 22, 2008 | 13:12 PDT | 20:12 UTC
Carnival of Space #68
Crowlspace is hosting this week's Carnival of Space. Check it out!... More»
Aug. 21, 2008 | 14:17 PDT | 21:17 UTC
Tweet Tweet Tweet
As Phoenix approached Mars, it suddenly acquired a voice and began broadcasting status updates to Earth via an Internet service called Twitter. For those of you not in the know (a group that, admittedly, included me, before I was forced to figure... More»
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