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Look Up: Lunar eclipse happening Monday night

LOS ANGELES  -- Just in time for Christmas. The year's only total lunar eclipse will happen Monday night or early Tuesday, depending on where you live.

North and Central America and a tiny sliver of South America will have the best view. Weather permitting, skygazers in those regions should be able to view the entire eclipse, expected to last 3 1/2 hours.

The moon is normally illuminated by the sun. During a total lunar eclipse, the full moon passes through the shadow created by
the Earth blocking the sun's light.

Total eclipse begins at 11:41 p.m. PST Monday or 2:41 a.m. EST Tuesday. The totality phase -- when the moon is entirely inside Earth's shadow -- will last a little more than an hour.