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First Results From Deep Impact Mission

jdoire wrote to mention a Physicsweb piece revealing some of the first bits of data from the Deep Impact mission. From the article: "Based on data from the flyby spacecraft and the impactor, Michael O'Hearn of the University of Maryland and colleagues say that Tempel 1 belongs to the Jupiter family of comets, although its overall shape and surface features are quite different from the nuclei of the two other comets that have been studied in detail -- Wild 2 and Borelly. They also report that Tempel 1 consists largely of extremely fine particles that seem to be very loosely bound together: in other words, the comet is more like a pile of powder than a solid rock." Looks like the Electric Universe folks were a bit off.

17 of 189 comments (clear)

  1. Powder... by kihjin · · Score: 1, Funny

    If such is the case, would the explosion have destroyed the majority of the comet rather than a small portion?

    Mind you, I wasn't there when the explosion occurred, but I do feel that if the comet had been entirely destroyed, /. would have covered it... at least a few times ;)

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    1. Re:Powder... by fbjon · · Score: 2, Funny

      That's no asteroid. That's one of those potatoes from Frontier: Elite II.

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  2. A big powdery comet? Precious! by deft · · Score: 4, Funny

    Well dang, if that's all it is, c'mon in for a landing buddy. Man, we had you comets all wrong.

    Won't be a planet killer...more like a planet tickler...cute little fella.

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    1. Re:A big powdery comet? Precious! by CubicleView · · Score: 2, Funny

      Thanks alot, I bet one'll hit us now *blasted desk is covered in plastic veneer, runs off to find a real piece of wood to touch*

    2. Re:A big powdery comet? Precious! by hobbesx · · Score: 3, Funny
      Thanks alot, I'll bet one'll hit us now...


      Worry not! I believe one of GW's proposals for the mission to Mars involves an orbital sifter array.

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  3. Re:Sorry by forkazoo · · Score: 4, Funny

    The comet becomes terribly afraid whenever anything is about to hit it. This natural "tensing up," it what allows us to study it effectively.

    Also, moving at many thousands of kilometers per second means that you can impact almost anything and cause an explosion. If the probe gently touched down, it might well have settled into the comet very ently.

  4. Mirror of first bits by paz5 · · Score: 5, Funny

    10101110

  5. The real reason for the mission by Red+Flayer · · Score: 2, Funny

    "in other words, the comet is more like a pile of powder than a solid rock."

    NASA wants its Tang back.

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  6. Re:Sorry by dosle · · Score: 2, Funny

    This all goes back to the saying "Why don't you go pound sand.".


    *returns to punching fine particles*

  7. Its like a comet composed of garbage by MooseTick · · Score: 3, Funny

    I once saw a documentary about a comet that was made completely from garbage. It was nearly impossible to destroy because it was such a loose collection of items. This comet seems very similar.

    1. Re:Its like a comet composed of garbage by paz5 · · Score: 1, Funny

      Was this the documentary?


      (google cache)

  8. Re:Posted on Technocrat.Net by geomon · · Score: 4, Funny

    How does it feel to be potential parents to an alien species?

    Like a Scientologist?

    (rimshot!)

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  9. Audio version of the impact by Spy+der+Mann · · Score: 2, Funny

    -Impact in 3... 2... 1....
    *POOF*

  10. sounds like Bender.. by hamburger+lady · · Score: 2, Funny

    "10101110??? It's gibberish...(looks in mirror) 01110101!!! Ahhhhhhhh!!!!"

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  11. Fine powder? by Mr.Fork · · Score: 2, Funny

    Uh oh. Don't let the cosmetic companies in on our cosmic find. Heaven forbid Channel or Revlon market a powder puff from comet dust. I can see it now. The funded research/harvesting rocket Delta rocket lifts off with 'Maybe it's Maybelline' on the side sliding past the live web-cam tower broadcast is just wrong. Ugh - cosmic cosmetics.

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  12. Re:Sorry by daeley · · Score: 4, Funny

    it might well have settled into the comet very ently.

    Harrrooomm! Harruummmmm! My, but you are a hasty comet. Very hasty, indeed. Harrooooooomm!

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    I watched C-beams glitter in the dark near the Tannhauser gate.
  13. Re:Density question by Anonymous Coward · · Score: 1, Funny

    The density of water is one pound per pint, which is to say about 36 stone per hogshead.