"Find out about the gravity, the asteroid ida, the berringer meteor crater, the moon, and other weird space facts"--Provided by publisher.

"How likely is it that humans aren't alone in the universe? Reports of strange lights, UFO sightings and alien encounters abound--and some (like recent accounts from U.S. Navy pilots) even sound credible. And in recent years, armed with state-of-the-art technology and better information, the search for extraterrestrials overflows with exciting possibilities. Within our own solar system, astrobiologists search for the biochemical building blocks that...

Merlin, a fictional timeless visitor from Planet Omniscia in the Andromeda Galaxy, has observed firsthand many of the major scientific events of Earth's history. In this journey through the cosmos, Merlin responds to popular questions asked by adults and children alike.