Why Is a Comet's Tail Curved? http://ifttt.com/images/no_image_card.png

Curved and shimmery, comet tails sometimes seem to follow a slightly different trajectory than the comet's nucleus. Wired Science blogger Rhett Allain explains why.



via Wired Top Stories http://feeds.wired.com/~r/wired/index/~3/Cm8YtbkVwPA/