Snowflakes still hold mystery

This post contributed by Nadine Lymn, ESA Director of Public Affairs Their silent, shimmery beauty has long stirred human aesthetic appreciation and for centuries individuals have sought to unravel the secrets of snowflakes.  Why are there so many varieties?  Why do all snowflakes have six “arms”?  And why does each flake appear unique, no matter how many fall from the sky? We know the answers to these questions as described on the...

Read More