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Big Bang Homework help?

According to the big bang theory, the original big bang took place about 17 billion years ago. How might scientists have been able to determine this?

2 Answers

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  • 1 decade ago
    Favorite Answer

    They calculated the rate of speed at which the universe is expanding.

  • 1 decade ago

    They calculated the speed at which matter is spreading outward in outer space and did the math.

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