How can we say there is no time before Big Bang? Matter i think i understand but how time cant exist before big bang?
In: Planetary Science
Because time seems to be a function of our universe, like gravity, magnetism, etc. but not a force outside of it.
We measure time by measuring change -for example, the amount of vibrations a caesium atom makes. Since our universe has began, this rate of change has been remarkably consistent, which is good. But if there’s nothing for that change to act upon, then there’s no “time”, just like there was probably no gravity or no electricity before the Big Bang.
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