... APOD: 2008 January 1- Rays from an Unexpected Aurora . 31.12.2007 . ... Two spectacular comets graced Earth's skies during 2007. Both comets became bright enough to be seen by the unaided eye of the casual sky enthusiast. Early in 2007, Comet McNaught grew brighter than any comet in 40 years, displaying a beautiful dust tail that flowed across the sky. ... Sharing the night sky seen around the world, this view from Monument Valley, USA includes a picturesque foreground of famous buttes. ...