Close-up photos of dying star show our sun's fate
Tuesday, December 15, 2009 - 12:14
in Astronomy & Space
About 550 light-years from Earth, a star like our Sun is writhing in its death throes. Chi Cygni has swollen in size to become a red giant star so large that it would swallow every planet out to Mars in our solar system. Moreover, it has begun to pulse dramatically in and out, beating like a giant heart. ...