How To Weigh A Star Using A Moon

Boston MA (SPX) Oct 18, 2010 ![][1] Boston MA (SPX) Oct 18, 2010 How do astronomers weigh a star that’s trillions of miles away and way too big to fit on a bathroom scale? In most cases they can’t, although they can get a best estimate using computer models of stellar structure. New work by astrophysicist David Kipping says that in special cases, we can weigh a star directly. If the star has a planet, and that planet has a



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