The Universe From Flat Earth to Quasar Author:Isaac Asimov Avon Discus Book PB No. NS25; copyright 1966; this edition 4th printing Dec 1971. Asimov on the Physical Universe and just about everything in it: The Earth; the Solar System; the Stars; the Galaxy; its Size; Other Galaxies; the Age of the Earth; the Energy of the Sun; Stellar Types, Evolution, and Explosions; Galactic Evolution; Galactic Rece... more »ssion; the Observable Universe; the Beginning of the Universe; Particle Bombardment; Energetic Photons; Radio Astronomy; and the Edge of the Universe. Includes 16 glossy pp of B&W photos.« less