The most perplexing characteristic of this energy is its source. Mysterious is a fitting term to describe this force. Despite being in the same place, the chips appear to be vastly separated due to the extension of the cookie-space between them.Īlso Read: What Existed Before The Big Bang? If the cookie represents all the space in the Universe and the chocolate chips are its galaxies, then gravity is a force that impels every chip to move towards every other chip, whereas the repulsive force expands the cookie itself. The distribution of chocolate chips on a brittle cookie provides a good analogy to understand these forces of nature. However, while gravity is an attractive force that works on objects, the repulsive force works on space instead. The Milky Way (Photo Credit: passmil198216 / Fotolia) This was Einstein’s infamous static Universe. The resulting Universe was a place that neither contracted nor expanded. He called this the cosmological constant. To account for the Universe’s apparent stability, Einstein included a constant in his equations, a constant that would neutralize the inexorable pull of gravity. However, if gravity alone sculpts the structure of the Cosmos, then all matter in it must be impelled to be mutually attracted towards each other rendering the Universe to crumble under its own weight.Ĭlearly, this is not the case. His General Theory of Relativitysuggested a model of a Universe that was homogenous, spatially curved and dominated by a single force – gravity. This expansion continues today and is thought to be caused by a mysterious force called dark energy.Įinstein believed that the Universe was an infinitely large, all-encompassing blimp. The Big Bang created a huge explosion that sent matter and energy out into the universe. The expanding universe is a result of the Big Bang.
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