Barring cloudy weather, astronomy enthusiasts and sky-gazing revelers across North America will be given an early Christmas gift when they will witness a lunar eclipse on Monday night.
A lunar eclipse takes place when the sun, earth and moon are all perfectly aligned with the Earth in the middle. When the moon passes behind the earth, the sun's rays are blocked from striking the moon. This can only occur when the moon is full.
Unlike a solar eclipse, which can only be seen for a few moments...Full Story