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quote:Originally posted by Joe Keller
Does anyone know where I can find data on the aberration of starlight that might confirm that the direction of it, is "off" roughly 0.2 degree? That is, that the aberration vector depends on the velocity of Earth when the starlight crossed the 53 AU limit?[/quote]You have your facts and/or numbers wrong for some reason. Stellar aberration is a function of speed relative to the local gravity field, and rarely exceeds 0.01 degrees in the solar system. And nothing special happens at 53 au, which is also not any kind of limit. -|Tom|-