Supermoon

Brian Day / NASA Ames Research Center

Idaho is gearing up for a "super blue blood moon" on Wednesday, though the name might be a bit misleading. That’s when three celestial events happen all at the same time.

Bill Ingalls / NASA

This Sunday, Idahoans will be treated to a bigger, brighter moon in the evening sky. It's called a supermoon and it only happens once this year.