Spacetime continuum warped by mass from "summary" of A Breif History of Time and the Universe in a Nutshell by Stephen Hawking
The idea that mass can warp the fabric of spacetime is a central concept in understanding the nature of our universe. According to Einstein's theory of general relativity, massive objects like planets and stars create a gravitational field around them, causing spacetime to curve in their vicinity. This means that the presence of mass not only affects objects that are nearby but also influences the very structure of the space around them. Imagine spacetime as a rubber sheet, with mass placed on it creating a depression in the sheet. This curvature represents how mass warps spacetime, causing objects to follow curved paths around massive bodies. In this way, the motion of planets in their orbits around the sun is not due to a mysterious force acting at a distance, but rather the result of the planets following the curved paths created by the sun's mass. The warping of spacetime by mass also h...
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