Supernova Remnant Cassiopeia A (NASA, Chandra, Hubble, 02/23/11) (by NASA’s Marshall Space Flight Center)
Around the Solar System - The Big Picture - Boston.com
Aurora Australis seen above the Earth in this image taken by a member of the ISS Expedition 23 crew
A meteor streaks past stars in the night sky over Stonehenge in Salisbury Plain, southern England (via Around the Solar System - The Big Picture - Boston.com)
