Bright Red Supermoon Glows Over Madrid

Stargazers treated to rare sight over Four Towers.

The spectacular sight came a day after the world watched a rare supermoon rise. Supermoons happen a few times a year, when the moon is at its brightest and closest to Earth.

Spectacular Photos of the Supermoon

Supermoon to Make Appearance During Meteor Shower

Sunday night’s supermoon was the biggest and brightest of the year.

Changes in Earth’s atmosphere can cause the moon to appear a dramatic red or orange, experts said.