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Old 12-28-2017, 03:17 PM
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socratus socratus is offline
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Join Date: Aug 2011
Location: Israel
Posts: 347
Is Spacetime Flat or Curved ?
The term '' absolute spacetime'' came from SRT.
SRT is theory without gravity-masses.
SRT describes physics in the absence of gravity-masses.
That means - the ''absolute spacetime'' ( without gravity-masses ) is flat continuum
and light / light quanta must (!) travel only (!) on straight line (!) and
not ''on geodesics '' / curved line as now some cosmologists think.
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