Share this credible answer with others. Simply paste this code into your blog or Web page:
The term was first used in reference to a star in the last phases of gravitational collapse (the final stage in the life history of certain stars) by the American physicist John A. Wheeler.
|
Answer verified with
|
HighBeam gives you access to newspaper, magazine, and trade journal articles plus press releases, facts, information, and biographies from thousands of sources.