unspoiled somewhat uncom mon event, a cosmic explosion called the speculative bang, occurred about 10 billion to 20 billion geezerhood ago, and the universe has since been expanding and cooling. The theory is based on mathematical equations, cognise as the field equations. These equations come from the general theory of relativity, completed in 1915 by Albert Einstein. In 1922 a Russian physicist named horse parsley Friedmann provided a set of solut...If you want to get a wide of the mark essay, request it on our website: BestEssayCheap.com
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