6/2/2023 0 Comments A brief history of time book![]() ![]() Science’s ultimate goal is to find one theory that ties all the others together. ![]() God, Hawking notes, could fit into this theory. The idea that the universe is expanding, in turn, suggested there was a time when everything was in a single, tiny, infinitely dense place. In 1929, Edwin Hubble discovered that galaxies everywhere are rapidly moving away from each other. In 1687, Sir Isaac Newton devised his own laws related to gravity, theorized that all stars should exert this force on one another, and wondered whether the universe was infinite. This theory wasn’t really challenged until 1514, when Nicholas Copernicus showed that the planets, including the earth, orbit the sun. Though in Ancient Greece people worked out that the earth is round, thinkers such as Aristotle still thought the earth was at the center of everything else. First, Stephen Hawking details some of the major scientific breakthroughs throughout history that have brought our understanding to this point. Where did the universe and everything in it come from, and where is it all headed? New technology has allowed modern science to offer answers to such questions. ![]()
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