Black Holes Essay -- essays research papers fc

If theories of their existence be true, gloomy localisations are the most regent(postnominal) rend in thekn take in physical universe. Many people are familiarwith the term black hole, but few people in truthknow anything ab bulge them. A black hole forms asa result of a massive star running out of enkindle toburn (Chaisson, 193). Once the star is no longerexerting outward force by burning off gases, itbegins to collapse under its own intense, inwardgravity (Chaisson, 193). It is like slowly letting theair out of a thudoon. Once the star is compacted toa certain size, while its mass, or weight, remainsthe same, its gravity becomes so powerful that cryptograph force out escape it (Hawking, 87). This criticalsize to weight ratio is know as the SchwarzchildRadius (Hawking, 87). Once a black hole iscreated in this way, an invisible area, or linearound it exists. If any object crosses this line, itcan no longer escape the gravitational force of theblack hole (Hawking, 87). This li ne is called the correctt horizon (Hawking, 87). If black holes areproven to exist, beyond theoretical physics, thenthey would probably be a very commonplace anomalyin this universe. In 1915, Albert Einstein put forththe starting signal real proposition of such an anomaly in hisTheory of relativity (Bunn, Black Holes FAQ).In the 1930s, three physicists, doctors Volkoff,Snyder and Oppenheimer, were able to prove thevalidity of black holes mathematically. Since then,black holes eat up become a very grand andintact part of science and the over allunderstanding of the universe. It has been proven,mathematically, that black holes have infinite,gravity based, escape velocities and an immenseeffect on light, clip and even the very fabric ofspace. All bodies in space have gravity. jibeto Einsteins Theory of Relativity, this is becausebodies with a large mass, or weight, actually warpspace (Chaisson, 77). For example, if a twodimensional ragtime of cloth, stretched andsuspended at fou r corners, represents space, anda bowling ball is fixed in the center, the sheet willwarp downward. If a golf ball is then set at theedge of the sheet and allowed to move freely it willbe attracted toward the bowling ball, unless thegolf ball is traveling at a zip up great enough to notbe completed by the curve. This critical speed isknown as an escape velocity. This is the speed atwhich an object must travel to e... ... the equations arevalid, wormholes most assuredly do not exist. Ifthey did it would probably send shivers up thescience fictionalization communitys spine. In the book,comparatively Speaking, the Author, Eric Chaissonsays, The world of science is cluttered withmathematically elegant theories that apparentlyhave no basis in reality (182). Although blackholes have not been conclusively proven to exist, in that respect is strong evidence, in the observableuniverse, that they do. Black holes are veryimportant to the world of cosmology. They allowfor the study of comm on particles under very eccentric environmental variables. Scientistshave vastly increased their knowledge of theuniverse and the properties of matter through thestudy of a black holes effects on light, time and thefabric of the space. Works Cited Bunn, TedBlack Holes FAQ. NSF Science andTechnology Center (September 1995) Online.Internet.http//physics7.berkeley.edu/Bhfaq.HTMLChaisson, Eric. Relatively Speaking Relativity,Black Holes, and the Fate of the Universe. NewYork W.W. Norton & Company, 1988.Hawking, Stephen. A Brief level of Time Fromthe Big Bang to Black Holes. New York BantamBooks, 1988. Manthe 5