Do you feel totally in the dark when it comes to the basic facts about the universe? Kenneth C．Davis steps into that void with a lively guide to the discoveries，theories，and real people who have shed light on the mysteries and wonders of the cosmos．With the engaging question-and-answer format that has appealed tO the millions of readers of his bestselling Don't Know Much About series，you'll be taking off on an exciting armchairexploration of the solar system，the Milky Way,and beyond!