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Astronomy

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    $\begingroup$ As far as I know, the answer is no for the first to questions. But I'm uncertain about the last, I bet there's some ingenious technique stashed somewhere in the arXiv. I'll try to look for one when I have the time. $\endgroup$
    – Manishearth
    Commented Sep 28, 2013 at 16:44
  • $\begingroup$ Perhaps, the answer in the following link be helpful for the physics enthusiasts: astronomy.stackexchange.com/questions/43376/… $\endgroup$
    – Ad Astra
    Commented Apr 15, 2021 at 18:19