Shadow Moons: The Unknown Sub-Worlds that Might Harbor Life Mounting discoveries of planets around other stars are fueling anticipation among most astronomers that our solar system is a reasonable model for the kinds of objects that probably exist around many stars. If they are right, then the galaxy could be loaded with billions of planets -- and a far greater number of moons. Astronomical Earth: Creating a Giant Telescope A small and sturdy box weighing 25 pounds is packed with vital astronomical data gathered by one of the world's largest telescopes. Federal Express delivers it to a processing center where, once combined, the data will reveal details of the heavens so exquisite they'll be like seeing the dimples on a golf ball from across the United States. |
