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The Planetary Society Weblog
Archive
Archived posts are listed in reverse chronological order.
Sep. 21, 2007 | 13:46 PDT | 20:46 UTC
Dawn Journal: Awaiting Launch II
Here's what will hopefully be the last pre-launch Dawn Journal entry, contributed by Marc Rayman. Marc is the Project System Engineer for the Dawn mission. Thanks Marc!
Even if Marc does not send further updates, however, Planetary Society... More»
Sep. 20, 2007 | 21:28 PDT | Sep. 21 04:28 UTC
New names for some irregular Saturnian moons
A couple of months ago I subscribed to the Central Bureau for Astronomical Telegrams, in order that I wouldn't again miss another outer planet satellite naming. It's been a couple of months of bulletins about comets, asteroids, newly discovered... More»
Sep. 20, 2007 | 11:31 PDT | 18:31 UTC
Iapetus' "Voyager Mountains"
When Voyager 2 flew by Iapetus in 1981, it found a line of white dots marching along the equator from Iapetus' bright trailing side into its dark leading side. Images shot with the white dots on Iapetus' limb seemed to suggest that the dots were,... More»
Sep. 20, 2007 | 08:56 PDT | 15:56 UTC
Fire fountain amid heavenly fires
Last week I received an email from a reader, Patrick Taschler, with an image attached, what he called his "once-in-a-lifetime-shot." It could almost have been the last-of-his-lifetime shot: a photo of a fire fountain from Ecuador's most active... More»
Sep. 18, 2007 | 20:58 PDT | Sep. 19 03:58 UTC
Silly but fun Apollo 11 video
Via unmannedspaceflight.com comes the pointer to this BBC video of James Burke -- then a science correspondent for the BBC, since then a well-known science popularizer on this side of the pond as well -- explaining the Apollo 11 EVA suit to the... More»
Sep. 18, 2007 | 17:52 PDT | Sep. 19 00:52 UTC
Budget Axe Falls on Mars Science Laboratory
We just posted a notice from Lou Friedman on science cuts that were recently announced on Mars Science Laboratory. The action was taken to beef up the mission's reserve funds (to the tune of $75 million) and lower its risk. The cuts include the... More»
Sep. 17, 2007 | 14:50 PDT | 21:50 UTC
Seeing in the Dark
A former college classmate, Mark Andrews, emailed me a couple of weeks ago saying, he was working on a new PBS production on stargazing amateur astronomy, would I care to preview and review it? It is "Seeing in the Dark," based on Timothy Ferris'... More»
Sep. 17, 2007 | 09:20 PDT | 16:20 UTC
Kaguya self-portraits
Kaguya continues to operate nominally. On Saturday, JAXA released two way-cool images taken by the spacecraft to document the successful deployment of two critical components, its high-gain antenna (for communications with Earth) and its solar... More»
Sep. 14, 2007 | 14:28 PDT | 21:28 UTC
Kaguya launch wrapup
So Kaguya appears to be safely on its way to the Moon. It will orbit Earth for a couple of weeks first, performing three trajectory correction maneuvers, before entering a highly elliptical orbit at the Moon on October 3. There's a timeline in the... More»
Sep. 14, 2007 | 13:54 PDT | 20:54 UTC
Dawn Journal: What to expect after the launch II
Here's another Dawn Journal entry, contributed by Marc Rayman. Marc is the Project System Engineer for the Dawn mission. Thanks Marc!
by Dr. Marc D. Rayman
Dear Dawntastics,
Now less than two weeks from its planned September 26 launch, Dawn is... More»
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