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Archived posts are listed in reverse chronological order.


  • Oct. 9, 2010 | 15:46 PDT | 22:46 UTC
    Six moons with one shot
    There are six, count them, six moons in this photo. Plus the outer edge of Saturn's rings. Awesome. Click to enlarge >Six moons with one shotOn October 6, 2010, Cassini managed to catch six different moons passing through its narrow-angle camera... More»
  • Oct. 8, 2010 | 16:40 PDT | 23:40 UTC
    DPS 2010: Friday morning at Titan's surface
    I debated whether to attend the Titan surface or near-Earth asteroids sessions on Friday morning and decided, in the end, to go to Titan, because I feel like I have just not been writing enough about Saturn's planet-like moon lately. I'm glad I... More»
  • Oct. 8, 2010 | 14:47 PDT | 21:47 UTC
    I'm part of the conspiracy, apparently
    Oh, bother. From the Bad Astronomer I learned that a Cassini pic of Titan and Dione that I processed is apparently evidence of a NASA coverup, at least according to some guy on Youtube. And then I found out that there are newspapers that use random... More»
  • Oct. 8, 2010 | 14:19 PDT | 21:19 UTC
    New Hubble images and rotation movie of Vesta
    NASA just press-released some recent new views of Vesta, one of the largest denizens of the asteroid belt, soon to be visited by the Dawn spacecraft. The movies were taken in short wavelengths (ultraviolet and blue) by Hubble's relatively new... More»
  • Oct. 8, 2010 | 09:34 PDT | 16:34 UTC
    Chang'E 2 update: in orbit and returning data
    From Yong-Chun Zheng at National Astronomical Observatories, Chinese Academy of Sciences have come several updates on the status of China's second lunar orbiter, Chang'E 2. Chang'E 2 launched successfully on October 1 at 10:59:57 UTC. It launched... More»
  • Oct. 7, 2010 | 15:22 PDT | 22:22 UTC
    Guest Blog: Rosaly Lopes field trip to Piton
    Planetary volcanologist Rosaly Lopes has just embarked on a field expedition to the active volcano Piton de la Fournaise, on Reunion Island, and is sending us updates for the blog. Thanks, Rosaly! --ESLby Rosaly Lopes Monday, October 4 I'm glad... More»
  • Oct. 6, 2010 | 21:24 PDT | Oct. 7 04:24 UTC
    Little notes from Monday at DPS 2010: Iapetus, Kiviuq, LHB, Steins, Cherry Gary, and more
    Here's a post with some random facts and notes from Monday at Division of Planetary Sciences meeting that didn't fit in any other writeup. Iapetus has a much larger opposition surge than any other Saturnian moon (or Uranian moon, for that matter).... More»
  • Oct. 6, 2010 | 15:26 PDT | 22:26 UTC
    DPS 2010: Making Saturn's rings and moons all at once
    It's already Wednesday and I've written up nothing from this week's Division of Planetary Sciences meeting yet -- time to get cracking! I'm going to take a stab at doing some shorter posts kept to single topics... One of the most interesting talks... More»
  • Oct. 5, 2010 | 13:48 PDT | 20:48 UTC
    I'm So Proud 2: Announcing AmateurSpaceImages.com
    The first announcement I made today was the new partnership between the Planetary Society and UnmannedSpaceflight.com. The second is the launch of a new project that is near and dear to my heart: AmateurSpaceImages.com. It doesn't exist yet; we've... More»
  • Oct. 5, 2010 | 13:46 PDT | 20:46 UTC
    I'm so proud 1: UnmannedSpaceflight.com now partnered with the Planetary Society
    I have two big announcements to make today, one project I've been intimately involved in for years and one that has been a dream of mine for years and which I can finally take public. The first announcement I'll make below; the second will be in... More»