(Huffington Post) -- There’s going to be an extra-special moon this weekend.
The phenomenon — any full moon that coincides with the time in the moon’s orbitwhen it’s closest to Earth — should be visible on Sunday night after sunset.
How spectacular will this supermoon be?
In comparison to other full moons, supermoons can be up to 14 percent closer and 30 percent brighter, according to NASA. In addition, the August 2014 supermoon will become full during the same hour that the moon comes closest to the Earth (lunar perigee), meaning it will outshine other full moons that have fallen on the same day as the lunar perigee. Read more