Moon Year

A full Moon comes around once a month, but a Supermoon is a much rarer celestial vision as it only happens once, or at most twice a year. So on Sunday, 2017’s only Supermoon – also being coined the Cold Moon – will shine in the sky for everyone to enjoy.

The November 2016 Supermoon seems to balance on top of the Gateway Arch in Saint Louis, Missouri, United States. Photo: David Carson/Saint Louis Post-Dispatch/AP.