Common Cosmological Misconceptions

I thought this recent blog post by Sean Carroll might be interesting to some. In it he goes through 19 items "True Facts About Cosmology, or Misconceptions Skewered":

https://www.preposterousuniverse.com...ions-skewered/
A couple of good ones:

Quote:

4.The Big Bang might have been the beginning of the universe. Or it might not have been; there could have been space and time before the Big Bang. We don’t really know. 5. Even if the BB was the beginning, the universe didn’t “pop into existence.” You can’t “pop” before time itself exists. It’s better to simply say “the Big Bang was the first moment of time.” (If it was, which we don’t know for sure.)

via International Skeptics Forum https://ift.tt/2Uv7f4b