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- Apr 3, 2016
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That picture sure puts Earth into perspective.. we are literally tiny little nothings in the universe..
Planck time is the smallest possible increment of time in the universe. It is very very small.
There are an estimated 2 trillion galaxies in the observable universe. There are approximately 100 billion stars in each galaxy. Now imagine that every single one of those stars has 300 earth's orbiting it. Now count every single grain of sand on every single planet.
So every single grain of sand on earth x 300 x 100 billion x 2 trillion.
The resulting number is in the region of how many individual units of planck time there are in 1 second.