Stars & Sand

The number of stars that can be seen with the naked eye, amounts about 5000. The total number of stars that can be made ​​visible with modern telescopes, it is now estimated at 70 trillion. This corresponds to a seven with 22 zeros.
The total number of grains of sand on earth is likely to be much higher, according to recent estimates.
(from NeÜ © 2013 Karl-Heinz Vanheiden)

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