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Cosmological Redshift and Proper Time in Global Geometry
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Explore the emission and observation of the first light signal in cosmological redshift, emphasizing how comoving positions of emitter and observer affect the scale factor and proper time for photons.
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Cosmological Redshift and Proper Time in Global Geometry
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Presentation Transcript
Cosmological redshift proper time for photons: emission and observation of the first light signal comoving positions of emitter and observer did not change emission and observation of the second light signal scale factor changes scale factor does not change comoving x time scale factor and redshift
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