Re: Earth might have hairy dark matter

From	rickman <gnuarm@gmail.com>
Newsgroups	sci.physics
Subject	Re: Earth might have hairy dark matter
Date	2015-11-23 16:47 -0500
Organization	A noiseless patient Spider
Message-ID	<n301dv$plc$1@dont-email.me> (permalink)
References	<0JKdndT97MuF_c7LnZ2dnUU7-Q2dnZ2d@giganews.com> <n2vqjt$s3d$2@dont-email.me> <0JKdndb97Msh7c7LnZ2dnUU7-Q2dnZ2d@giganews.com>

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On 11/23/2015 3:02 PM, Sam Wormley wrote:
> On 11/23/15 1:51 PM, rickman wrote:
>> On 11/23/2015 1:51 PM, Sam Wormley wrote:
>>> Earth might have hairy dark matter
>>>> http://phys.org/news/2015-11-earth-hairy-dark.html
>>>
>>>
>>>> The solar system might be a lot hairier than we thought. A new study
>>>> publishing this week in the Astrophysical Journal by Gary Prézeau of
>>>> NASA's Jet Propulsion Laboratory, Pasadena, California, proposes the
>>>> existence of long filaments of dark matter, or "hairs."
>>>>
>>>> Dark matter is an invisible, mysterious substance that makes up about
>>>> 27 percent of all matter and energy in the universe. The regular
>>>> matter, which makes up everything we can see around us, is only 5
>>>> percent of the universe. The rest is dark energy, a strange
>>>> phenomenon associated with the acceleration of our expanding
>>>> universe.
>>>>
>>>> Neither dark matter nor dark energy has ever been directly detected,
>>>> although many experiments are trying to unlock the mysteries of dark
>>>> matter, whether from deep underground or in space.
>>>
>>>
>>>    One would think that "hairy dark matter" would be detectable
>>>    in the solar system by its gravitational effects.
>>
>> That would only be true if the dark matter were present in sufficient
>> amounts.  While it is expected to be a large proportion of the total
>> matter in the universe, the universe is mostly empty of matter and if
>> the dark matter is spread out the average amount would be very small
>> compared to the local matter in the solar system.
>>
>
>    Good Point -- Also if Dark Matter cannot clump on small scales, how
>    could it possible form the hairy structures?

The two are not mutually exclusive.

-- 

Rick

Thread

Earth might have hairy dark matter Sam Wormley <swormley1@gmail.com> - 2015-11-23 12:51 -0600
  Re: Earth might have hairy dark matter jimp@specsol.spam.sux.com - 2015-11-23 19:06 +0000
  Re: Earth might have hairy dark matter rickman <gnuarm@gmail.com> - 2015-11-23 14:51 -0500
    Re: Earth might have hairy dark matter Sam Wormley <swormley1@gmail.com> - 2015-11-23 14:02 -0600
      Re: Earth might have hairy dark matter rickman <gnuarm@gmail.com> - 2015-11-23 16:47 -0500
      Re: Earth might have hairy dark matter "nuny@bid.nes" <Alien8752@gmail.com> - 2015-11-24 13:28 -0800
  Re: Earth might have hairy dark matter "Ross A. Finlayson" <ross.finlayson@gmail.com> - 2015-11-23 12:56 -0800
    Re: Earth might have hairy dark matter "Ross A. Finlayson" <ross.finlayson@gmail.com> - 2015-11-24 10:48 -0800
      Re: Earth might have hairy dark matter john <johnsefton288@gmail.com> - 2015-11-24 12:34 -0800
        Re: Earth might have hairy dark matter "Ross A. Finlayson" <ross.finlayson@gmail.com> - 2015-11-24 12:57 -0800
      Re: Earth might have hairy dark matter "Ross A. Finlayson" <ross.finlayson@gmail.com> - 2015-11-24 15:34 -0800
        Re: Earth might have hairy dark matter Sam Wormley <swormley1@gmail.com> - 2015-11-25 08:23 -0600
          Re: Earth might have hairy dark matter "Ross A. Finlayson" <ross.finlayson@gmail.com> - 2015-11-25 07:40 -0800
            Re: Earth might have hairy dark matter john <johnsefton288@gmail.com> - 2015-11-25 07:51 -0800
            Re: Earth might have hairy dark matter Sam Wormley <swormley1@gmail.com> - 2015-11-25 10:35 -0600
              Re: Earth might have hairy dark matter "Ross A. Finlayson" <ross.finlayson@gmail.com> - 2015-11-25 09:14 -0800
              Re: Earth might have hairy dark matter "reber g=emc^2" <herbertglazier0@gmail.com> - 2015-11-27 12:49 -0800
                Re: Earth might have hairy dark matter john <johnsefton288@gmail.com> - 2015-11-27 14:08 -0800
  Re: Earth might have hairy dark matter Double-A <double-a3@hush.com> - 2015-11-23 13:15 -0800
    Re: Earth might have hairy dark matter Sam Wormley <swormley1@gmail.com> - 2015-11-23 15:34 -0600
      Re: Earth might have hairy dark matter Double-A <double-a3@hush.com> - 2015-11-23 14:39 -0800
  Re: Earth might have hairy dark matter "reber g=emc^2" <herbertglazier0@gmail.com> - 2015-11-23 17:10 -0800
    Re: Earth might have hairy dark matter john <johnsefton288@gmail.com> - 2015-11-24 07:35 -0800

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