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originally posted by: Jimy718
" instead was some sort of natural oscillation of the star"... Just what sort of "natural oscillations" do think there are? From the little that I know, and from looking at raw data from stars; I don't see many "kinds" of 'natural oscillation' that Stars go through. Yes there are a few BUT, they are all asymmetrical ! Meaning that they DO NOT occur with precise timing. Planets on the other hand are like clockwork, the appearance of a planet (however it manifests) is a very predictable event. ALL other fluctuations in a stars Astrometry are vastly more chaotic/random...which, by the way, is how we can tell the difference. A planet is regular, everything else is random.