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Archived posts are listed in reverse chronological order.


  • Jul. 23, 2008 | 13:55 PDT | 20:55 UTC
    More information on the Mars Express Phobos flyby today (no pictures yet)
    I've communicated further with Agustin Chicarro about the Mars Express flyby of Phobos today. It seems Mars Express does not communicate with Earth again until Friday, meaning that the images likely will not be released until at least... More»
  • Jul. 22, 2008 | 15:31 PDT | 22:31 UTC
    Ustream chat archived
    EDIT: This one is now saved to the archives. I'm back home for my Ustream chat this week, Wednesday at 19:00 UTC, a regular question-and-answer session on any planetary topic of interest to you. Please join me! ... More»
  • Jul. 22, 2008 | 15:21 PDT | 22:21 UTC
    What's up in the solar system for the week of July 21
    I'm finally back home from a long trip visiting family, so it's time for me to get back in the swing of things by checking up on the current activities of the twenty spacecraft exploring the solar system. I'm going to change things up this week and... More»
  • Jul. 22, 2008 | 11:03 PDT | 18:03 UTC
    Stay tuned for new views of Phobos from Mars Express
    Mars Express has been at Mars since January 2004, and its mission has already been extended a couple of times. Under an agreement with NASA, Mars Express was required to maintain a specific orbital configuration during the descent of Phoenix to... More»
  • Jul. 19, 2008 | 06:39 PDT | 13:39 UTC
    Everyone celebrate! TEGA Oven 0 doors opened perfectly on sol 53
    Hip hip hooray! At last one set of doors on the TEGA instrument has opened correctly. This image just came down from sol 53, documenting the successful attempt to open the doors over TEGA oven 0:Click to enlarge >TEGA on sol 53, with Oven 0 doors... More»
  • Jul. 18, 2008 | 06:47 PDT | 13:47 UTC
    Jupiter's Little Red Spot makes a second safe trip past the Great one
    The Hubble team released a montage of three images of Jupiter today, showing the dance of three red spots in the southern hemisphere of Jupiter. A three-image montage begs to be animated, so here it is: Click to enlarge >Three red spots on... More»
  • Jul. 17, 2008 | 18:50 PDT | Jul. 18 01:50 UTC
    Show this movie to your "non-spacy" friends
    The Deep Impact extended mission, EPOXI, just released an amazing movie (Quicktime format, 1 MB) of the Moon transiting Earth, taken from 50 million kilometers away (or very roughly 150 times the distance from Earth to the Moon). You see Earth... More»
  • Jul. 17, 2008 | 18:41 PDT | Jul. 18 01:41 UTC
    Danes on Mars
    I was delighted to receive an email nearly two months ago (yes, I'm that behind in responding to email) from Morten Bo Madsen, who I knew from the Mars Exploration Rover mission as "that Danish magnet guy," the fellow responsible for the magnet... More»
  • Jul. 16, 2008 | 19:19 PDT | Jul. 17 02:19 UTC
    A quick update on Phoenix, sol 50: Got ice? Yes!
    Phoenix has successfully used its rasp tool to enable the acquisition of a sample of ice-rich soil from the surface of Mars. That's the highlight of this week's Phoenix update. I got in touch with Ray Arvidson (usually referred to as the "digging... More»
  • Jul. 16, 2008 | 10:45 PDT | 17:45 UTC
    A great view of the Phoenix lander
    Last week the HiRISE team released a new view of the Phoenix lander on Mars, one taken from a particularly good geometry. There really aren't words to describe what a revolution HiRISE images mean for mapping landing sites. I'll let the photos... More»