Sky watchers and others who spend time outdoors at night are in for a treat Monday night in the form of an apparently larger-than-average, shinier full moon, the last of this summer's three "supermoons."
A "supermoon" occurs when the moon is full and at the point of its orbit that brings it closest to the Earth.
On Monday night, the moon will rise in the western sky shortly after sunset and officially be considered a "supermoon" at 9:38 p.m. ET, scientists said.
"Because the moon is at perigee, or the closest point of its orbit, it's going to be about 13 or 14 percent bigger, optically, and ... about 30 percent brighter," said...