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Women in AZ were able to vote before the rest of the US? Are these 10 quirky facts about Arizona true or stranger than fiction? Read the list and decide for yourself.

    The Big Bang theory says that our universe began with a colossal explosion, about 14 billion years ago, and has been expanding and cooling ever since. Astronomers combine mathematical models with observations to develop workable theories of how the universe came to be, including Albert Einstein’s general theory of relativity along with standard theories of fundamental particles. Today, NASA spacecraft such as the Hubble Space Telescope continue measuring the expansion of the universe. ...