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arXiv · 1206.0927

A physical interpretation of Hubble's law and the cosmological redshift from the perspective of a static observer

Simen Braeck·Oystein Elgaroy
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Abstract

We derive explicit and exact expressions for the physical velocity of a free particle comoving with the Hubble flow as measured by a static observer, and for the frequency shift of light emitted by a comoving source and received, again, by a static observer. The expressions make it clear that an interpretation of the redshift as a kind of Doppler effect only makes sense when the distance between the observer and the source vanishes exactly.

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Simen Braeck, Oystein Elgaroy. 2012-06-05. A physical interpretation of Hubble's law and the cosmological redshift from the perspective of a static observer. https://doi.org/10.1007/s10714-012-1417-5

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