A Look at the Rare Lunar Eclipse

Air Date: 12/21/2010
15 seconds preview, please or for full videos.

replay

Astrophysicist Neil deGrasse Tyson discusses the first lunar eclipse to land on the winter solstice since 1638. A lunar eclipse occurs when the moon passes behind the earth so that the earth blocks the sun's rays from the moon.

Please sign in or register to view transcript.