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The Planetary Society Blog
Archive
Archived posts are listed in reverse chronological order.
Sep. 25, 2011 | 22:03 PDT | Sep. 26 05:03 UTC
Readers: Help me identify "greatest hit" blog entries?
Periodically I need to have a list of exemplary blog entries, and of course I never do this in advance by identifying what I think are particularly good blog entries as they get posted. And I don't always predict correctly what will resonate with... More»
Sep. 24, 2011 | 08:19 PDT | 15:19 UTC
The latest HiRISE view of Opportunity, on Endeavour's rim
In a now-routine act of obtaining detailed photographs of robots from Earth sitting on the surface of another planet, the HiRISE camera on Mars Reconnaissance Orbiter has captured a view of Opportunity sitting on the rim of Endeavour crater. The... More»
Sep. 23, 2011 | 11:09 PDT | 18:09 UTC
Tethys and Dione don't seem to be active after all
About four years ago I wrote a blog entry about an ESA press release about paper published in Nature that suggested that Saturn's moons Tethys and Dione might have volcanic activity, like Enceladus. A new paper published in Icarus casts doubt on... More»
Sep. 22, 2011 | 13:17 PDT | 20:17 UTC
Guest Post: Jason Davis: Earth science's next big thing
Meet the next big thing in NASA's mission to study planet Earth: NPP, the inaugural satellite member of NASA's next generation Joint Polar Satellite System. NPP is scheduled to be launched from Vandenberg Air Force base on October 25. Click to... More»
Sep. 21, 2011 | 16:25 PDT | 23:25 UTC
Professor Michael Drake, Ph.D. (1946-2011)
A statement from the Planetary Society
All of us at the Planetary Society are deeply saddened by the passing of planetary scientist Michael Drake. He has been a pillar of the planetary science community for four decades. He was Director the Lunar... More»
Sep. 21, 2011 | 11:40 PDT | 18:40 UTC
Keeping track of UARS' reentry
Unless you've been living under a rock you've probably heard that a very large Earth-orbiting satellite is going to be reentering Earth's atmosphere soon, and there's a small but nonzero chance of debris coming down where somebody might actually... More»
Sep. 20, 2011 | 11:58 PDT | 18:58 UTC
Reading Itokawa's life history from microscopic samples
Last month, the first results from the analysis of the grains of asteroid dust returned by Hayabusa from asteroid Itokawa were published in Science. When Hayabusa's sample return capsule was first opened and found to be very clean-looking inside, I... More»
Sep. 19, 2011 | 10:46 PDT | 17:46 UTC
Video: Soaring over Earth
This amazing video has already been posted by basically every other space blogger but I can't resist featuring it too, especially because I just realized that it was not made by NASA but instead by a member of the public digging into public NASA... More»
Sep. 19, 2011 | 09:55 PDT | 16:55 UTC
Lou Friedman: Students design human asteroid mission in Caltech Space Challenge
by Lou Friedman
I spent much of the past week attending the Caltech Space Challenge, a student-organized international competition to design a human mission to a Near-Earth asteroid. It was a great week, and one of the most positive, upbeat and... More»
Sep. 17, 2011 | 19:23 PDT | Sep. 18 02:23 UTC
A Skirmish Won, the Battle Will Continue
by Charlene Anderson
In this latest skirmish over NASA's budget, the numbers are in – and it looks like we won! All Planetary Society members and supporters who signed our petitions, wrote letters and e-mails, sent faxes and made phone calls – you... More»
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