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The Planetary Society Blog

Archive

Archived posts are listed in reverse chronological order.


  • Dec. 17, 2008 | 11:03 PST | 19:03 UTC
    AGU: Titan: Volcanically active world, or "Callisto with weather?"
    There was much more to Monday's Titan sessions at the American Geophysical Union meeting than the one surprising fact I posted about on Monday. I was struck by something that one of the Cassini spectroscopists, Tom McCord, said as he opened his... More»
  • Dec. 16, 2008 | 18:52 PST | Dec. 17 02:52 UTC
    Steve Ostro
    The Planetary Society was greatly saddened today to hear of the untimely death of radio astronomer Steve Ostro. I had never met Steve personally but I had interviewed him several times (see here, for instance) and made frequent use of his excellent... More»
  • Dec. 16, 2008 | 09:23 PST | 17:23 UTC
    AGU: An update on Kaguya
    On Monday afternoon at the American Geophysical Union meeting there was a short session, comprising four talks, on the status of Kaguya, Japan's enormous lunar orbiter. The first presentation was an overview of the mission; the next three... More»
  • Dec. 15, 2008 | 19:49 PST | Dec. 16 03:49 UTC
    AGU: Some first impressions from today's Phoenix sessions
    I have neither the time nor the brainpower to write up all my notes from the Phoenix sessions held this afternoon at the American Geophysical Union meeting, but I thought it was worth hitting some of the high points before I ate dinner. So far,... More»
  • Dec. 15, 2008 | 13:02 PST | 21:02 UTC
    Ganesa Macula isn't a dome
    I'll have much more to say about Titan later today, but this was perhaps the most surprising point made in this morning's sessions at the American Geophysical Union meeting about Saturn's largest moon, Titan: Ganesa macula is not a dome. Most of... More»
  • Dec. 12, 2008 | 11:45 PST | 19:45 UTC
    I need help at AGU
    This is a call to anyone else who's planning to attend the American Geophysical Union (AGU) meeting, which will take place all next week in San Francisco. This is one of the four biggest meetings each year for planetary science, when the community... More»
  • Dec. 12, 2008 | 10:36 PST | 18:36 UTC
    Blogs from the 2008-2009 Antarctic Search for Meteorites expedition
    A while ago I received an email from a meteoriticist named Ralph Harvey, who's in charge of the annual Antarctic Search for Meteorites (ANSMET) expeditions, in which a small team of Antarctic explorers and geologists wanders the wind-scoured icy... More»
  • Dec. 11, 2008 | 15:09 PST | 23:09 UTC
    Some interesting information in a Nature story about Phoenix
    EDIT: Nature has issued a correction to this story. I just came across a long article in Nature on Phoenix, by journalist and sometimes blogger Eric Hand, that contained two tidbits of information about the mission that I had not previously been... More»
  • Dec. 10, 2008 | 13:11 PST | 21:11 UTC
    Mimas, Prometheus, and the rings
    I'm almost entirely cut off from the world today -- by which I mean my home Internet access is down. And the wireless network at my local public library is down. So I'm using a terminal at the library with a horrible sticky keyboard. Which means... More»
  • Dec. 9, 2008 | 16:20 PST | Dec. 10 00:20 UTC
    Ice in glaciers on Mars
    I've been accumulating a pile of interesting papers to read and finally got a chance to start going through some of them today. The first is "Radar Sounding Evidence for Buried Glaciers in the Southern Mid-Latitudes of Mars," by John Holt and... More»