Re: Gravity needs NO Matter

From	Thomas 'PointedEars' Lahn <PointedEars@web.de>
Newsgroups	sci.physics
Subject	Re: Gravity needs NO Matter
Date	2016-02-13 19:41 +0100
Organization	PointedEars Software (PES)
Message-ID	<2388811.EljTn34jaa@PointedEars.de> (permalink)
References	(12 earlier) <bcd3fc64-ecdb-4743-ba6e-b98159dfa6aa@googlegroups.com> <3017788.IRTTYel32F@PointedEars.de> <cb7f7848-ae6f-47c6-8735-d5ac4bbdf080@googlegroups.com> <21118856.jc67sOsEcX@PointedEars.de> <7dc09592-592b-402c-a780-bc710d810c27@googlegroups.com>

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Y.Porat wrote:

> in short

It would have been short had you trimmed the parts of the quotation that you 
did not refer to (which was everything that you quoted).

> can you have physics without mass ??

That depends on what you mean by that.

A) Can you have any proper physics of an object without considering its 
   mass?

   Probably not.

B) Can you have a proper physics of an object whose mass is (assumed to be)
   zero?

   Certainly; photons are the prime example.

PointedEars
-- 
Two neutrinos go through a bar ...

(from: WolframAlpha)

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Re: Gravity needs NO Matter "Y.Porat" <y.y.porat@gmail.com> - 2016-02-05 00:14 -0800
  Re: Gravity needs NO Matter Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-02-05 22:38 +0100
    Re: Gravity needs NO Matter "Y.Porat" <y.y.porat@gmail.com> - 2016-02-06 06:34 -0800
      Re: Gravity needs NO Matter HVAC <mr.hvac@gmail.com> - 2016-02-06 08:01 -0800
        Re: Gravity needs NO Matter Mahipal <mahipal7638@gmail.com> - 2016-02-06 08:42 -0800
          Re: Gravity needs NO Matter "Y.Porat" <y.y.porat@gmail.com> - 2016-02-06 10:11 -0800
            Re: Gravity needs NO Matter Mahipal <mahipal7638@gmail.com> - 2016-02-06 10:22 -0800
          Re: Gravity needs NO Matter "Y.Porat" <y.y.porat@gmail.com> - 2016-02-08 10:39 -0800
            Re: Gravity needs NO Matter Mahipal <mahipal7638@gmail.com> - 2016-02-08 11:06 -0800
              Re: Gravity needs NO Matter "Y.Porat" <y.y.porat@gmail.com> - 2016-02-08 22:32 -0800
              editen sujet noTthaTguY <abu.kuanysh05@gmail.com> - 2016-02-09 10:14 -0800
        Re: Gravity needs NO Matter "Y.Porat" <y.y.porat@gmail.com> - 2016-02-06 10:00 -0800
      Re: Gravity needs NO Matter Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-02-06 17:22 +0100
        Re: Gravity needs NO Matter john <johnsefton288@gmail.com> - 2016-02-06 08:41 -0800
          Re: Gravity needs NO Matter Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-02-06 18:08 +0100
            Re: Gravity needs NO Matter john <johnsefton288@gmail.com> - 2016-02-06 09:17 -0800
              Re: Gravity needs NO Matter Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-02-06 18:25 +0100
                Re: Gravity needs NO Matter john <johnsefton288@gmail.com> - 2016-02-06 09:27 -0800
                Re: Gravity needs NO Matter "Y.Porat" <y.y.porat@gmail.com> - 2016-02-09 10:45 -0800
                Re: Gravity needs NO Matter Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-02-09 23:31 +0100
        Re: Gravity needs NO Matter "Y.Porat" <y.y.porat@gmail.com> - 2016-02-09 10:41 -0800
          Re: Gravity needs NO Matter Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-02-09 23:04 +0100
            Re: Gravity needs NO Matter "Y.Porat" <y.y.porat@gmail.com> - 2016-02-09 22:37 -0800
              Re: Gravity needs NO Matter Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-02-10 20:33 +0100
                Re: Gravity needs NO Matter Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-02-10 20:44 +0100
                Re: Gravity needs NO Matter "Y.Porat" <y.y.porat@gmail.com> - 2016-02-10 22:57 -0800
                Re: Gravity needs NO Matter Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-02-13 19:41 +0100

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