Catch a rare supermoon total lunar eclipse Sunday night

If it’s not too cloudy Sunday night, skywatchers are in for a rare treat. For the first time since 1982 — and only the fifth time since 1900 — a supermoon lunar eclipse will occur. A lunar eclipse happens when Earth passes between the sun and the moon. These occur every now and then. So what makes this a supermoon eclipse? The moon appears larger and brighter now because it is at its closest point to Earth, or perigee. That’s because the moon travels around Earth in an eg