![]() ![]() ![]() Those theories deal with massive celestial bodies on a large scale, as well as tiny particles on a small scale. ![]() Science is looking for one theory that ties together the two main theories of relativity and quantum mechanics. He also wondered if there was a time when everything was in a single tiny place. In 1687, Sir Isaac Newton devised his own laws related to gravity and theorized that all stars should exert this force on one another. This theory wasn’t really challenged until Nicholas Copernicus showed that planets including Earth orbit the sun. Though people in ancient Greece figured out that the earth is round, thinkers like Aristotle still thought the earth was at the center of everything else. Stephen Hawking details some of those breakthroughs, including a discussion on how our understanding has evolved over time. Where did the universe and everything in it come from? Modern science has developed new technology that allows us to answer such questions. 1-Page Summary of A Brief History of Time Overall Summary ![]()
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