global geometry

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Global Geometry

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Global Geometry. 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 - PowerPoint PPT Presentation

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Page 1: Global Geometry

Global Geometry

Page 2: Global Geometry

Cosmological redshift

com

ovin

g x

scale factor changes

time

proper time for photons:

emission and observation of the first light signal

emission and observation of the second light signal

comoving positions of emitterand observer did not change

scale factor does not change

scale factor and redshift