The first solstice/lunar eclipse overlap in 372 years... tonight!

Astronomical events such as this don't come around often. Be sure to head outside tonight to check out the lunar eclipse, if it will be visible in your area (it's supposed to be particularly spectacular for North Americans). For more information, you can visit the useful page NASA set up for the occasion. According to NASA,

the eclipse will last about three hours and twenty-eight minutes. For observers on the east coast of the U.S. the eclipse lasts from 1:33am EST through 5:01 a.m. EST. Viewers on the west coast will be able to tune in a bit earlier. For them the eclipse begins at 10:33 p.m. PST on December 20 and lasts until 2:01am PST on Dec. 21. Totality, the time when Earth's shadow completely covers the moon, will last a lengthy 72 minutes.