Who isn’t fascinated by the sheer size of the universe? Stars offers a straightforward guide to what we know and how we know it—from the Big Bang to star nurseries andto the beginnings of life on planet Earth. Find out why you can’t draw a diagram of the solar system to scale, discover how gravity holds our planet together, and learn why we’re all made of stardust.,  , Included inside:, • season-by-season guide to stargazing, • double-sided star chart covering the northern and southern hemispheres, • pull-out activities, including Test Your Eyesight cards and a “What do you weigh on other planets?” spinning wheel, plus four sheets of stickers