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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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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
