A steroid, black hole, cosmic rays, nebula, quasar . . . What do these words mean? Here with spectacular illustrations are 82 definitions of words and phrases concerned with the space beyond our world. Here also are explanations of mind-stretching concepts and brief biographies of the scientists--such as Galileo, Newton, and Einstein--who conceived them. Full-color illustrations.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.