HowStuffWorks "Moon Phases". I like that it actually shows the Sun's shadow so students can understand how this works!
Stargazing: Touring the night sky
An annular eclipse is seen beside the Tokyo Sky Tree tower in Tokyo's Sumida Ward at 7:34 a.m. on May 21. This composite photo was created using different exposure levels taken at the same place. (Satoru Sekiguchi)
Ursa Minor (little dipper) Constellation - Constellations ...