A Brief History of Time | Study Guide

Stephen Hawking

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Check out this Infographic to learn more about Stephen Hawking's A Brief History of Time. Study visually with character maps, plot summaries, helpful context, and more.

Year Hawking predictedhumanity would haveto leave Earth within100 years to save itselffrom extinction2017iconYear Hawking lost hisvoice and had to startusing a computersystem to talk1985Age at which Hawkingwas diagnosed with ALS,a disorder that destroysmuscle function21Years to the date thatHawking was born afterthe death of Galileo onJanuary 8, 1642300A Brief Historyof Timeby the NumbersSources:Encyclopaedia Britannica, Hawking.org.uk, Scientific AmericanCopyright © 2018 Course Hero, Inc.A British physicist, Hawkingpioneered exploration of blackholes and popularized theinvestigations of cosmologythroughA Brief History of Time.The popularity of his book,combined with his publicappearances, has since madeHawking a well-known public figurein science and popular culture.AuthorSTEPHEN HAWKINGBORN 1942Albert EinsteinCame up with a theory ofrelativity, showing that time isrelative instead of absoluteGalileo GalileiPut on trial by the CatholicChurch for saying that the Earthrevolved around the sunIsaac NewtonEstablished the physicsof motion, showing thatspace is relative ratherthan absoluteKey FiguresGeneral RelativityAlbert Einstein’s theory thatgravity results from objectsand energy causing curvesin space and timeQuantum MechanicsThe study of the way atomsand subatomic particles actand interactBlack HoleA place in space where thegravitational pull is so intensethat nothing can escapeCosmologyThe study of the universeand its originsBig Bang TheoryThe theory that the universe startedas a single concentration of massand time that expanded outwardKey TermsRelative Time & SpaceYour experience of timeand space depends on yourlocation and velocity.Four Fundamental ForcesElectromagnetic, gravitational,strong nuclear, and weak nuclearforces keep matter in the universetogether and in place.Uncertainty PrincipleThe idea that the positionand speed of subatomic particlescannot be accurately measuredbecame a key scientific concept.A Primer onthe UniverseInABrief History of Time, Hawking presents the search by physicists for asingle unified theory to explain everything in a way that the average personcan theoretically understand. He traces the history of this search through thedevelopment of multiple theories by some of the foremost scientists of thepast and present.MAIN IDEASStephen Hawking,Chapter 1umanity’s deepest desirefor knowledge is justificationenough for our continuing quest.FrenchOriginal Language1946Years PublishedJean-Paul SartreAuthorEnglishOriginal Language1988Year PublishedStephen HawkingAuthorA Brief Historyof TimeNonfictionScience

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