This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the publi

This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the publi

Documents how 12 people, as part of a top-secret U.S. government program, traveled to the planet Serpo and lived there for 13 years • Based on the debriefing

People once believed that Earth was the center of the solar system. Scientists finally learned that Earth is one of at least eight planets in our solar system a