http://mdgdxj5d7wlgq3m6e4fvca5sgnbvejsyjh3sqh3p3tfngcnrhpuy3aid.onion/2015/snow.html
Snow is light and heavy and cold. Snow doesn't fall out of the sky, but from clouds. Why do we say things "fall out of the sky"? The sky goes on forever so if anything falls outside, it fell from the sky. There's air, birds, snow, clouds, space and it's all part of the sky.