Death from the skies! : these are the ways the world will end-- /

It's only a matter of time before a cosmic disaster spells the end of the Earth. But how concerned should we about about any of these catastrophic scenarios? And if they do post a danger, can anything be done to stop them?

Bibliographic Details

Main Author:	Plait, Philip C.
Format:	Book
Language:	English
Published:	New York : Viking Penguin, 2008.
Subjects:	End of the world (Astronomy)