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The Planetary Society Blog
Archive
Archived posts are listed in reverse chronological order.
Aug. 11, 2009 | 09:38 PDT | 16:38 UTC
Happy Saturn equinox day!
Warm wishes to all denizens of Saturn's north pole (as well as those who live at the north poles of Saturn's main moons), who are seeing sunlight for the first time in almost 15 Earth years today. The Sun has finally crossed Saturn's equator; it's... More»
Aug. 11, 2009 | 09:26 PDT | 16:26 UTC
Carnival of Space #115
Head on over to New Frontier News for this week's Space Carnival!... More»
Aug. 10, 2009 | 15:10 PDT | 22:10 UTC
Planetary Radio Q and A: What's Jupiter made of?
This week's Planetary Radio features astronomer Heidi Hammel on the recent impact on Jupiter, so go check it out! Each week on Planetary Radio, I do a "Questions and Answers" segment, and I've recently decided to start posting the text of my Q and... More»
Aug. 10, 2009 | 12:28 PDT | 19:28 UTC
Saturn's equinox: Saturnshine and moon shadows
Light bounces around the Saturn system in strange ways. The Sun is the only light source, but incoming sunlight strikes Saturn and its rings and its moons and bounces off to illuminate areas of Saturn and its rings and its moons that would... More»
Aug. 7, 2009 | 16:30 PDT | 23:30 UTC
Saturn's equinox: Daphnis' shadow and wake
There are two major things that I was sorry not to be able to write about during my maternity leave. One of them is the Lunar Reconnaissance Orbiter launch and first images, and the other is the approaching equinox at Saturn. LRO I'll have to... More»
Aug. 7, 2009 | 13:45 PDT | 20:45 UTC
My Tweets this week
I suspect that there are many of you who don't know about Twitter or if you do, don't want to have anything to do with it, so for you I am planning to post every Friday a roundup of the week's Tweets, which mostly consist of links to stuff that I... More»
Aug. 6, 2009 | 19:39 PDT | Aug. 7 02:39 UTC
Triple asteroid 1994 CC rotation animation
From the "just plain cool" department. I love animations of planetary images and I love radar images of asteroids -- so this animation is doubly cool. The only thing I don't like about radar images is that they have a lot of salt-and-pepper noise.... More»
Aug. 6, 2009 | 16:00 PDT | 23:00 UTC
Reports from the 2009 AMASE Field Expedition
Now that it's high summer in the Arctic, it's time for research expeditions to swarm northward to explore icy landscapes as analogues to Mars and other far-off places. This year's Arctic Mars Analogue Svalbard Expedition (AMASE) sounds like lots of... More»
Aug. 6, 2009 | 11:57 PDT | 18:57 UTC
To the stars to be sure, but first, to the rocks and ice!
by Bill Nye
First of all, thank you members for supporting me in my role as your vice president. I am often struck by all the very good ideas you have. But more importantly, you are all so passionate about space. We all rely on space for our... More»
Aug. 5, 2009 | 10:25 PDT | 17:25 UTC
An "amateur" discovers moons in old Voyager images
Voyager 2 took its last images of Neptune in September of 1989, nearly 20 years ago. And unlike more recent missions, Voyager 2's image catalog is of a manageable size; I think it's safe to assume that all of its images have been looked at before,... More»
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