How the Universe Came to Be s.org

2) How long after the Big Bang was the Planck time, before which our current theories are completely unable to describe conditions in the universe? A) 10-10 second . B) 10-35 second . C) 10-43 second . D) 3 minutes . E) 300,000 years . Answer: C. 3) The Planck era refers to the time period . A) before the Big Bang. B) before the Planck time. ................
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