Dec 19, 2009
No two are alike?
A typical snow crystal weighs roughly one millionth of a gram. This means a cubic foot of snow can contain roughly one billion crystals. A rough estimate of the number of snow crystals that fall to Earth per year is about 1 followed by 24 zeros, give or take a couple of zeros.

Thanks to George Fillmore (gefillmore) for the interesting article on snowflakes.
http://www.msnbc.msn.com/id/16759121/

Dec 19, 2009
No two are alike?
A typical snow crystal weighs roughly one millionth of a gram. This means a cubic foot of snow can contain roughly one billion crystals. A rough estimate of the number of snow crystals that fall to Earth per year is about 1 followed by 24 zeros, give or take a couple of zeros.

Thanks to George Fillmore (gefillmore) for the interesting article on snowflakes.
http://www.msnbc.msn.com/id/16759121/