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View Diary: Did you know about Comet Elenin? You might find out soon enough. (63 comments)

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  •  From the wikilink (3+ / 0-)
    Recommended by:
    rubyr, whl, Roger Fox
    On 16 October 2011, the comet will pass within about 0.23 AU (34,000,000 km; 21,000,000 mi) of the Earth[2]

    I'm trying to remember now how long it took them when they discovered comet Shoemaker Levy and it having smacked Jupiter.

    Every moment in life contains an off ramp. Never be afraid to use it.

    by Adept2u on Tue Mar 01, 2011 at 01:50:09 PM PST

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    •  Ahhh, .95 from the sun. (0+ / 0-)

      FDR 9-23-33, "If we cannot do this one way, we will do it another way. But do it we will.

      by Roger Fox on Tue Mar 01, 2011 at 02:26:33 PM PST

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    •  It wasn't long before we were watching (2+ / 0-)
      Recommended by:
      Adept2u, HylasBrook

      that video imaging sent back by, what, one of the long-range exploration vehicles on a trans-solar orbit? Of those pieces of comet hitting Jupiter. It was terrifying to me, because it could just as easily been Earth that was being pounded, if that comet had been diverted in it's orbit by some passing object a few thousand years ago, just a little bit...

      But I vividly remember it, and that the timeframe was pretty short for something of that magnitude.

      Wasn't it around that time that the public started hearing that NASA's deep space search for NEOs (near earth objects) was only funded enough to cover 1% of the sky?

      It's a wonder that we have any foreknowledge of incoming NEOs at all, really.

      "in Order to form a more perfect Union"
      Basta de Guerra. No más. Enough War. No more.

      by Angie in WA State on Tue Mar 01, 2011 at 02:29:59 PM PST

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      •  Not just as likely to hit earth as Jupiter. (1+ / 0-)
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        Jupiter has a HUGE gravitational force in the solar system - only exceeded by the sun.

        Jupiter has affected the movement of comets, and was responsible for the extremely poor showing of Haley's Comet in 1987 :-((((

        Most comets' orbits are affected by Jupiter, and with its gravitational force would more likely interact with the earth.

        HylasBrook @62 - fiesty, fiery, and fierce

        by HylasBrook on Tue Mar 01, 2011 at 03:02:44 PM PST

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