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The Planetary Society Blog
Archive
Archived posts are listed in reverse chronological order.
Sep. 28, 2009 | 12:27 PDT | 19:27 UTC
Dawn, now with 33% more Vesta
I just posted Marc Rayman's latest Dawn Journal, and it contained some surprising and welcome news that I wanted to make sure you didn't miss: A "seemingly modest improvement in solar array power" over what was budgeted for in the original mission... More»
Sep. 28, 2009 | 12:27 PDT | 19:27 UTC
Carnival of Space #122
This week's space carnival is live over at Cumbrian Sky, so check it out!... More»
Sep. 28, 2009 | 12:23 PDT | 19:23 UTC
Dawn Journal: Good performance means a longer stay at Vesta!
Here's our monthly checkup with the Dawn mission, contributed by Marc Rayman, the mission's Project System Engineer. Thanks Marc! --ESLClick to enlarge >Marc RaymanBy Marc Rayman
Dear Dawnniversaries,
Dawn is celebrating the second anniversary of... More»
Sep. 28, 2009 | 09:07 PDT | 16:07 UTC
Planetary Radio Q and A: Who sees better, Hubble or ground-based scopes with adaptive optics?
This week's Planetary Radio looks at the Inflatable Re-entry Vehicle Experiment, or IRVE. On "Questions and Answers" I answered my this question:
I read that adaptive optics can only be used for infrared, not visible wavelengths. Why is that?
My... More»
Sep. 28, 2009 | 06:52 PDT | 13:52 UTC
Fifty-five hours from Mercury
Actually, at the time that I write this, MESSENGER is only about 32 hours and 400,000 kilometers from closest approach, but this photo was taken at 55 hours and 672,000 kilometers out:Click to enlarge >55 hours from Mercury Flyby 3MESSENGER snapped... More»
Sep. 26, 2009 | 14:07 PDT | 21:07 UTC
My Tweets this week
If you'd like to see these in real time, Follow me at Twitter. A word on some conventions: "RT" means "Retweet" -- I'm repeating something that somebody else said. Anything preceded by an "@" symbol is the username of someone else on Twitter.... More»
Sep. 25, 2009 | 14:02 PDT | 21:02 UTC
The "Water on the Moon" Hoopla, Part 2: The murkier part of the story
In Part 1 of my writeup of yesterday's "Water on the Moon" press briefing I explained how scientists using the Moon Mineralogy Mapper (M3 or "M-cubed") on India's first lunar orbiter, Chandrayaan-1, found the first evidence for widespread water on... More»
Sep. 25, 2009 | 11:32 PDT | 18:32 UTC
The "Water on the Moon" Hoopla, Part 1: There's water on the Moon!
For a couple of weeks now, I've been hearing rumors about an upcoming announcement concerning Chandrayaan-1 Moon Mineralogy Mapper ("M3") discovery of "lots of"
water on the Moon. On Tuesday, September 22, NASA announced that there would be a press... More»
Sep. 25, 2009 | 09:30 PDT | 16:30 UTC
Here comes Mercury
I always marvel at the fact that cruising spacecraft are so far from anything in the solar system that nothing they can look at appears larger than a single pixel to their cameras. Then, after months and months of nothingness, suddenly one of those... More»
Sep. 24, 2009 | 11:31 PDT | 18:31 UTC
Planetary Society Statement on Water on the Moon
NEWS RELEASE
The Planetary Society
65 N. Catalina Avenue, Pasadena, CA 91106-2301 (626) 793-5100 Fax (626) 793-5528
E-mail: tps@planetary.org Web: http://planetary.org
For Immediate Release: September 24, 2009
Contact: Susan... More»
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