'Blood Moons' Explained: What Causes a Lunar Eclipse Tetrad? (Infographic) by Karl Tate, SPACE.com Infographics Artist : A series of four total lunar eclipses in a row is called a tetrad, or four Blood Moons. See how lunar eclipse tetrads work in this Space.com infographic.
The First Total Lunar Eclipse of 2014 Will Be Visible Tonight In North and South America
This NASA graphic shows where the total lunar eclipse of April 2014 will be visible from. The lunar eclipse coincides with April's full moon and is the first of four total lunar eclipes between April 2014 and September (Credit: NASA
The spectacle is often more beautiful and interesting than one would think. During the time that the moon is entering into and later emerging from out of the Earth's shadow, secondary phenomena may be overlooked. APRIL 15th!!