Joined: Dec. 2007
|Not only is our atmosphere transparent, but we also enjoy dark nights. Several happy coincidences, from having a planet that rotates on its axis, to our location in the galaxy, to the age of the cosmos, conspire to make this possible.|
Before our ancestors learned how to control fire those dark nights would have been terrifying, as people huddled together for protection against large predators with much better night vision. How was that a privileged position?
Help! Marxist literary critics are following me!