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Re: Black Hole Event Horizon

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From moroney@world.std.spaamtrap.com (Michael Moroney)
Newsgroups sci.physics
Subject Re: Black Hole Event Horizon
Date Mon, 26 Mar 2018 00:46:27 +0000 (UTC)
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john <johnsefton288@gmail.com> writes:

>MM
>Or better yet, Mike!
>Find a Galaxy that doesn't spin- it will have a non-spinning black hole!!
>Hahahahahahahaha hahahahahahahaha 

That is completely different. The individual stars must orbit since if
they don't, they'll fall straight into the center. (note that if the stars
have orbits aligned at random, there will be no net rotation of the galaxy.
I believe elliptical galaxies and globular clusters are like this)

The fact is the orbiting stars orbit has no effect on whether any central
massive black hole rotates. As Odd pointed out, low orbiting earth 
satellites orbit the Earth once every 90 minutes but that doesn't mean the 
earth rotates once every 90 minutes.  So yes, it's certainly possible
that a spiral galaxy with zillions of orbiting stars could have a 
non-rotating black hole at its center.

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Thread

Black Hole Event Horizon "reber G=emc^2" <herbertglazier0@gmail.com> - 2018-03-24 14:41 -0700
  Black Hole Event Horizon john <johnsefton288@gmail.com> - 2018-03-24 15:07 -0700
    Re: Black Hole Event Horizon "reber G=emc^2" <herbertglazier0@gmail.com> - 2018-03-24 15:59 -0700
      Re: Black Hole Event Horizon john <johnsefton288@gmail.com> - 2018-03-24 16:30 -0700
        Re: Black Hole Event Horizon moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-03-25 17:23 +0000
      Re: Black Hole Event Horizon "hanson" <hanson@quick.net> - 2018-03-24 18:14 -0700
    Re: Black Hole Event Horizon moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-03-25 17:26 +0000
      Re: Black Hole Event Horizon john <johnsefton288@gmail.com> - 2018-03-25 12:11 -0700
        Re: Black Hole Event Horizon Odd Bodkin <bodkinodd@gmail.com> - 2018-03-25 19:32 +0000
        Re: Black Hole Event Horizon moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-03-26 00:35 +0000
      Re: Black Hole Event Horizon john <johnsefton288@gmail.com> - 2018-03-25 12:13 -0700
        Re: Black Hole Event Horizon moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-03-26 00:46 +0000
          Re: Black Hole Event Horizon john <johnsefton288@gmail.com> - 2018-03-26 08:03 -0700
            Re: Black Hole Event Horizon moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-03-26 17:21 +0000
              Re: Black Hole Event Horizon john <johnsefton288@gmail.com> - 2018-03-26 10:51 -0700
                Re: Black Hole Event Horizon moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-03-26 18:35 +0000
                Re: Black Hole Event Horizon john <johnsefton288@gmail.com> - 2018-03-26 13:10 -0700
                Re: Black Hole Event Horizon moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-03-26 20:39 +0000
                Re: Black Hole Event Horizon john <johnsefton288@gmail.com> - 2018-03-26 14:44 -0700
                Re: Black Hole Event Horizon moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-03-26 21:58 +0000
                Re: Black Hole Event Horizon john <johnsefton288@gmail.com> - 2018-03-26 15:12 -0700
                Re: Black Hole Event Horizon moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-03-26 22:20 +0000
                Re: Black Hole Event Horizon john <johnsefton288@gmail.com> - 2018-03-26 16:02 -0700
                Re: Black Hole Event Horizon moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-03-27 04:38 +0000
                Re: Black Hole Event Horizon john <johnsefton288@gmail.com> - 2018-03-26 16:10 -0700
                Re: Black Hole Event Horizon moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-03-27 04:48 +0000
                Re: Black Hole Event Horizon john <johnsefton288@gmail.com> - 2018-03-27 04:26 -0700
                Re: Black Hole Event Horizon moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-03-27 12:02 +0000
                Re: Black Hole Event Horizon john <johnsefton288@gmail.com> - 2018-03-27 05:35 -0700
                Re: Black Hole Event Horizon moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-03-27 19:08 +0000
                Re: Black Hole Event Horizon john <johnsefton288@gmail.com> - 2018-03-27 18:41 -0700
                Re: Black Hole Event Horizon moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-03-28 02:56 +0000
                Re: Black Hole Event Horizon "reber G=emc^2" <herbertglazier0@gmail.com> - 2018-03-28 15:16 -0700
                Re: Black Hole Event Horizon Odd Bodkin <bodkinodd@gmail.com> - 2018-03-27 18:04 +0000
                Re: Black Hole Event Horizon moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-03-28 03:01 +0000
                Re: Black Hole Event Horizon john <johnsefton288@gmail.com> - 2018-03-28 05:19 -0700
                Re: Black Hole Event Horizon Odd Bodkin <bodkinodd@gmail.com> - 2018-03-28 12:30 +0000
                Re: Black Hole Event Horizon john <johnsefton288@gmail.com> - 2018-03-28 07:00 -0700
                Re: Black Hole Event Horizon john <johnsefton288@gmail.com> - 2018-03-28 07:08 -0700
                Re: Black Hole Event Horizon Odd Bodkin <bodkinodd@gmail.com> - 2018-03-28 16:09 +0000
                Re: Black Hole Event Horizon john <johnsefton288@gmail.com> - 2018-03-28 09:37 -0700
                Re: Black Hole Event Horizon john <johnsefton288@gmail.com> - 2018-03-28 09:54 -0700
                Re: Black Hole Event Horizon moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-03-28 17:31 +0000
                Re: Black Hole Event Horizon Odd Bodkin <bodkinodd@gmail.com> - 2018-03-28 17:52 +0000
                Re: Black Hole Event Horizon john <johnsefton288@gmail.com> - 2018-03-28 11:43 -0700
                Re: Black Hole Event Horizon Odd Bodkin <bodkinodd@gmail.com> - 2018-03-28 21:42 +0000
                Re: Black Hole Event Horizon john <johnsefton288@gmail.com> - 2018-03-29 06:55 -0700
                Re: Black Hole Event Horizon john <johnsefton288@gmail.com> - 2018-03-29 07:30 -0700
                Re: Black Hole Event Horizon Odd Bodkin <bodkinodd@gmail.com> - 2018-03-29 14:51 +0000
                Re: Black Hole Event Horizon john <johnsefton288@gmail.com> - 2018-03-29 09:35 -0700
                Re: Black Hole Event Horizon Odd Bodkin <bodkinodd@gmail.com> - 2018-03-29 17:21 +0000
                Re: Black Hole Event Horizon Lofty Goat <rlwatkins@gmail.com> - 2018-03-29 21:46 -0500
                Re: Black Hole Event Horizon moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-03-29 17:40 +0000
                Re: Black Hole Event Horizon Odd Bodkin <bodkinodd@gmail.com> - 2018-03-29 14:43 +0000
                Re: Black Hole Event Horizon moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-03-29 17:34 +0000
                Re: Black Hole Event Horizon john <johnsefton288@gmail.com> - 2018-03-28 09:58 -0700
                Re: Black Hole Event Horizon moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-03-28 17:33 +0000
                Re: Black Hole Event Horizon Odd Bodkin <bodkinodd@gmail.com> - 2018-03-28 17:52 +0000
                Re: Black Hole Event Horizon moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-03-28 17:29 +0000
                Re: Black Hole Event Horizon Odd Bodkin <bodkinodd@gmail.com> - 2018-03-28 17:52 +0000
                Re: Black Hole Event Horizon Edward Prochak <edprochak@gmail.com> - 2018-03-29 10:22 -0700
                Re: Black Hole Event Horizon john <johnsefton288@gmail.com> - 2018-03-29 17:24 -0700
                Re: Black Hole Event Horizon Edward Prochak <edprochak@gmail.com> - 2018-03-31 19:46 -0700
                Re: Black Hole Event Horizon moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-03-28 14:46 +0000
                Re: Black Hole Event Horizon Odd Bodkin <bodkinodd@gmail.com> - 2018-03-28 16:09 +0000
                Re: Black Hole Event Horizon moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-03-28 12:33 +0000
                Re: Black Hole Event Horizon john <johnsefton288@gmail.com> - 2018-03-28 06:24 -0700
                Re: Black Hole Event Horizon moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-03-28 14:41 +0000
                Re: Black Hole Event Horizon Odd Bodkin <bodkinodd@gmail.com> - 2018-03-28 16:07 +0000
  Re: Black Hole Event Horizon "hanson" <hanson@quick.net> - 2018-03-24 18:25 -0700

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