The universe is 14 billion years old. That's old. So old, that the mind has trouble comprehending just how long it is. To better understand this age, we can condense the entire history into 1 year. That's the cosmic calendar.
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#Astronomy ⚛️🧪🛰️
According to our best estimates, the universe is 13.8 billion years old. It goes without saying that that’s extremely old. But just how long of a time is 14 billion years? The human mind has a way of ...
