The ‘supermoon’ rises over the flightline at Travis AFB, Calif., Sept. 8, 2014. Supermoons are full moons that coincide with ‘lunar perigee,’ when the moon's orbit brings it closest to Earth.
The ‘supermoon’ rises over the flightline at Travis AFB, Calif., Sept. 8, 2014. Supermoons are full moons that coincide with ‘lunar perigee,’ when the moon's orbit brings it closest to Earth.