Total Lunar Eclipse to Grace North American Skies

Both lunar and solar eclipses can only occur when the Earth, Sun and Moon are directly aligned.This is again about to happen just four days before Christmas.Starting at 1:33 a.m. on Tuesday, Dec. 21, the moon will pass through Earth’s shadow, creating a 72-minute window where the moon will be glowing red on the longest night of the year.

NASA says the moon will be in its deepest shadow at 3:17 a.m., and will display its most pronounced reddish hue at that time. It will fully re-emerge from the shadow of the Earth at 5:01 a.m.

NASA has also rolled out a range of activities and features, including live web chats, a text message sign up campaign to receive text reminders, and a Flickr group devoted to amateur and professional photographers capturing the action.


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