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A New Method of Estimating Stellar Distances

Space & Earth / Astronomy

Dec 21, 2009 | 4.4 / 5 (14) | 2

(PhysOrg.com) -- The star Chi Cygni is located about 550 light-years away, in the direction of the constellation of Cygnus the Swan. It is a notable star because, unlike the sun which still burns hydrogen ...