General relativity: is space curved?
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General relativity: is space curved? book
The theory of evolution describes how one species slowly develops out of another, and how humans evolved from apes. Charles Darwin, who first published his theory of evolution in 1859, was always baffled by this mystery. For most scientists, this mystery was solved by the famous experiments of the chemists Stanley Miller and Harold Urey, performed in 1953 at the University of Chicago. Critics of the search for extraterrestrial life, however, have some very strong arguments of their own. One has become known as the Fermi paradox, named after Enrico Fermi, the physicist who created the first controlled nuclear chain reaction. If there has been such a massive explosion in own Milky Way Galaxy, and near solar system, the shock wave may now be hurtling toward us with the fury of 10,000 nuclear bombs.