I don't get why ISS passes vary so much in brightness.
@vgr Does the ISS rotate at all? If so, it wouldn't be surprising if the amount of light reflected varied quite a bit...
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@vgr So rotation isn't the answer, assuming YA can be trusted. -
@michael_nielsen Orbit eccentricity is also near zero, so that can't be it.
End of conversation
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@vgr Well, according to Yahoo Answers the ISS rotates just once per orbit (keeping same face toward ground) https://answers.yahoo.com/question/index?qid=20101222053132AAs12TA …Thanks. Twitter will use this to make your timeline better. UndoUndo
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