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Why the Bradley aberration cannot be used to measure absolute speeds. A comment

Klaus Kassner

astro-pharXiv:astro-ph/0203056

Abstract

In a recent article in this journal [G. Sardin, Measure of the absolute speed through the Bradley aberration of light beams on a three-axis frame, Europhys. Lett. 53 (2001) 310], Sardin proposed to use the Bradley aberration of light for the construction of a speedometer capable of measuring absolute speeds. The purpose of this comment is to show that the device would not work.

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