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Thread: Noisey astroids?

  1. #1 Noisey astroids? 
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    I wonder if astroids make noise as they plow thru space/dark matter? Am aware they do when transiting NEO.

    Is there a place to look for users of small antenna radio astronomy to collaborate?


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    Quote Originally Posted by geox View Post
    I wonder if astroids make noise as they plow thru space/dark matter?
    Not unless they are made of some very interesting material.
    Dark Matter is hypothesized WIMPs- Weakly Interacting Massive Particles. To generate radio waves passing through DM would be a bit of a phenomenon, as well, considering it's very weak in EM interaction.
    Space- you'll find wayward hydrogen mostly and even then it's trace amounts. Not enough of anything for a chunk of rocky debris to really interact with.

    As you've said you know, they can generate radio while passing through the Earths atmosphere, since the atmosphere here is quite dense. Even then, the radio noise is pretty weak.


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    Since it's pretty much a null chance, there would be no sense putting up infrastructure to scan the skies for radio emitting asteroids.

    But if someone could show a way one might just do that, it's not a biggie. You could just use SETI for the search.
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