Alien Life: The Search for Extraterrestrials and Beyond
Pointing up to the heavens, today's cutting-edge radio telescopes scan the cosmos for any signal that may indicate alien life, as tantalizing prospects lead us further along our quest. Already we may have found microbes in meteorites from Mars. As Parker points out, three of Jupiter's moons are now known to contain ice and liquid water - leading some scientists to believe that perhaps under this ice lie hidden areas teeming with aquatic life. After discovering planets outside our solar system, astronomers believe that other "suns" may exist capable of supporting planets that harbor alien life-forms. Beyond making contact, Parker stresses that disaster surely awaits us on Earth as its ever-growing population depletes our planet's natural resources. He delineates the plans to mine treasures in space, generate power on distant bodies, and establish thriving communities in space. We can control our alien searches in space, but what if they find us first? Have we already been visited? Have humanoid creatures with large black eyes actually hovered over our towns? How do we account for eyewitness reports of bizarre glowing lights, "scorched" patterns on crop fields, and alleged abductions? Parker investigates the truth surrounding these visits and discusses the UFO phenomenon.
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The Architecture of Life
The Development of Life on Earth
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51 Pegasi According advanced civilization aliens Alpha Centauri amino acids appeared asteroids astronomers atmosphere atoms bacteria Barnard's star basic molecules began believe billion biological bright called carbon dioxide cells chemical cloud colonization computers considerable Courtesy NASA craters Crick detect discovery Drake earlier early Earth ecosphere electron energy Europa eventually evidence extrasolar planets extraterrestrial flasks Furthermore galaxy giants heat hydrogen infrared intelligent interest interstellar Jupiter Jupiter-sized Keck telescopes large number laser light-years look Mars Martian McKay meteorite methane microbes microfossils miles moon NASA nearby stars needed nitrogen objects Observatory ocean orbit oxygen panspermia percent planet possible problem protein radiation radio telescope red dwarfs region relatively rock science fiction scientists signal similar soil solar system space spaceship speed of light strange temperature theory tiny Tipler Titan ultraviolet universe Viking volcanoes wave wormhole