From the Big Bang to Planet X
The 50 Most-asked Questions About the Universe-- and Their AnswersPaperback - 1993
What exactly is the Big Bang Theory? How do we know the universe is expanding? What is a black hole? Does a Planet X exist? What came before the Big Bang? How many galaxies are in the universe?
These are just six of the 50 questions answered in this fact-filled guide to the latest findings and theories in astronomy. Concise yet authoritative, it is the perfect reference for the thoughtful reader who doesn't have the luxury of time.
Publisher: Camden East, Ont. : Camden House ; Willowdale, Ont. : Trade distribution by Firefly Books, c1993
Characteristics: 151 pages :,illustrations (some color) ;,23 cm.