A New Method of Estimating Stellar Distances
Monday, December 21, 2009 - 14:28
in Astronomy & Space
(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 and is in its mature phase of life, Chi Cygni has aged and begun to expire.