What Cool Random Fact was new to you Today?

Otters have a favourite rock that they carry with them at all times and can use as a tool.
Some otters carry the same rock their entire adult lives

Very cute, but...

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http://news.discovery.com/animals/the-other-side-of-otters.htm
 
Somewhere in the universe, a star explodes every single second. This has being happening every second since the first stars formed after the big bang.
 
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Their are less sub-atomic particles in the observable universe than a Google/googol (10^100)

Following on that, and its something I learned years ago not today, is if you wrote all the zeros from 10^googol on a piece of paper it wouldn't fit into the known universe (we'll overlook there not being enough atoms for the paper and ink).
 
Please explain the above

A googol is the large number 10100; that is, the digit 1 followed by 100 zeroes:
10,*000,*000,*000,*000,*000,*000,*000,*000,*000,*000,*000,*000,*000,*000,*000,*000,*000,*000,*000,*000,*000,*000,*000,*000,*000,*000,*000,*000,*000,*000,*000,*000,*000

That's the 100 zeros, it fitted.
Are you sure your fact isn't something else?
 
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