jjosephsims jjosephsims

12-06-2017
Geography

contestada

According to the big bang theory, how long ago did the universe begin?

Respuesta :

12-06-2017

Big Bang theory says that our universe began 13.7 billion years ago

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djjones7373 djjones7373

14-01-2020

Answer:13 to 15 billion years ago

Explanation:

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