Is Anyone Out There? Essay -- Astronomy

Earth is small. Many people detect it hard to believe, besides when oneness thinks of creation in its context, amongst billions of galaxies, stars, planets, and an infinite universe, earth is a mere granulate of sand on the beach that is space. With this in mind, one may, quite understandably, find it hard to believe that earth is the only planet that sustains disembodied spirit. With todays advanced technology and science, extensive evidence has been found suggesting a smashing likelihood of liveness on other planets. The discovery of life on other planets has huge implications for humankind, as it would likely give a more(prenominal) thorough understanding of what human life is, how it came to be, and possibly even incursion into why humans exist.Oftentimes, people ignore rhetoric regarding the possibility of life on other planets. This may be for religious reasons or because many an(prenominal) people see it as more science fiction than scientific, but there is a subst antial difference between Hollywoods perception of aliens and what is likely to be the first extraterrestrial life sight (Borenstein). In all reality, carbon, hydrogen, oxygen, and a few other basic elements atomic number 18 all it takes to create the miracle of life, and these chemicals could exist in countless places other than earth (Bryson 2). Some life may not even require that, like the microbe found in a lake in California, which was able to fail on arsenic and phosphorus alone (Borenstein). According to Borenstein, the life that scientists are looking for is more accurately described as a life form or microbial slime, much like the microbes that became humans via evolution. some 140 billion galaxies inhabit the universe, with somewhere between one snow billion and four hundred billion stars in Earth... ...rawstory.com/rs/2010/12/08/evidence-mounting-daily-proven/Bryson, Bill. A Short History of Nearly Everything. New York Broadway Books, 2003. Print.Cohen, Dani el. The Ancient Visitors Have Creatures from former(a) Planets Ever Lived On Earth? Garden City, NY Double & Comp., Inc., 1976. Print.Kaufman, Marc. Reaching for the Stars Its Alive Out There Scientists Seek Out the Evidence. McClathy-Tribute News Service. 17 June 2011 n.p. Web. 15 Mar 2012. Spotts, Pete. In Search of Life, More Planet Candidates ar Found. Are Any Just Right? Christian Science Monitor. 12 Sep 2011n.p. Web. 15 Mar 2012. Story of the Universe. European Space Agency, 2011. Web. 15 Apr 2012.