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UFO

17 Ian 2012 00:51



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Amateurs and students can use position measurements of Eros to (re)compute the length of the astronomical unit. Read more and join the project 

:D  Calculam paralaxa ? (este in linkul de mai sus si un formular legat de observatii . Ar fi frumos daca am participa si noi, din Ro, cu ceva observatiuni)