SOLAR ECLIPSE - MAY 20, 2012     On May 20-21, 2012 an annular eclipse of the Sun will be visible from within a narrow corridor along Earth's northern Hemisphere -- beginning in eastern Asia, crossing the North Pacific Ocean, and ending in the western United States. A partial eclipse will be visible from a much larger region covering East Asia, North Pacific, North America and Greenland. During an annular eclipse the moon does not block the entirety of the sun, but leaves a … [Read more...]