Asimov, Isaac
New York, NY, U.S.A. : Walker & Company, 1977, First Edition, 7th Printing Octavo, hardcover, near fine in edgeworn dj (with tears at edges). 178p. Includes index. Could the sun explode in our lifetime? Since 1960 the universe has taken on a wholly new face. It has become more exciting, more mysterious, more violent, and more extreme as our knowledge concerning it has suddenly expanded. And the most exciting, most mysterious, most violent, and most extreme phenomenon of all has the simplest, plainest, calmest, and mildest name-nothing more than a 'black hole'. Asimov discusses the science of black holes in understandable language.. Very Good/Unknown.