A Partial Lunar Eclipse
What's happened to the Moon? This past weekend - June 26 and 27, 2010 - once again,
part of the Moon moved through the Earth's shadow. This happens about once or twice a year, on
the average, but not each month since the Moon's orbit around the Earth is slightly tilted. Pictured
above, the face of a full moon is partly blocked by Earth's clouds, and partly darkened on the upper
right by Earth's umbral shadow. Clouds permitting, the partial lunar eclipse was visible from the half
of the Earth facing the Moon at the time of the eclipse, which included much of Earth's Pacific Rim.
On July 11 2010, a total eclipse of the Sun will be visible in a thin swath of Earth crossing the southern