Tetrad of lunar eclipses about to begin

Mar 28, 2014, 5:24 PM EDT
The full moon is seen early 04 March 2007.
AFP/Getty Images

A group of four total lunar eclipses -- beginning April 15 -- will be visible to much of North America, and parts of South America. The next three, following April's, will occur in six-month intervals apart from each other.

Background:

A tetrad of Lunar eclipses [Phys.Org]

Save the date: lunar eclipse April 15 [WTVR]

Marsapalooza and the Lunar Eclipse [Huffington Post]

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