In Pictures: Supermoon Rising over Washington, D.C

A supermoon occurs when the moon’s orbit is closest to Earth at the same time it is full.

 A perigree full moon or supermoon is seen over the The Peace Monument on the grounds of the United States Capitol, Sunday, August 10, 2014, in Washington. 

A perigree full moon or supermoon is seen over the Old Post Office and Clock Tower, Sunday, August 10, 2014, in Washington. A supermoon occurs when the moon’s orbit is closest (perigee) to Earth at the same time it is full.

A perigree full moon or supermoon is seen, Sunday, August 10, 2014, in Washington. A supermoon occurs when the moon’s orbit is closest (perigee) to Earth at the same time it is full.

Children play on the beach as the perigee full moon, called the supermoon, rises above the Atlantic Ocean in Southampton, New York on August 10, 2014. The moon is at its largest when the full moon happens when the moon is closest to Earth.

The perigee full moon, called the supermoon, rises above the sand dunes in Southampton, New York on the Atlantic Ocean on August 10, 2014. The moon is at its largest when the full moon happens when the moon is closest to Earth.