Science / supermoon The Worm Moon Is Coming March's supermoon to be followed by two more in April and May By Arden Dier, Newser Staff Posted Mar 6, 2020 8:14 AM CST Copied The supermoon is coming. (Getty Images) The first of a consecutive trio of supermoons arrives Monday. The March supermoon—a full moon that nears the closest point to Earth in its oval-shaped orbit, appearing up to 14% bigger and 30% brighter than when at its farthest point—is dubbed the worm or sap moon. That's because this is the time of year that worms emerge from a thawed ground and sap begins to flow from sugar maples, per USA Today. story continues below The last full moon of winter will reach peak fullness at 1:48pm EDT, meaning pre-dawn and after sunset will be the best viewing times, per PennLive. At roughly 222,081 miles from Earth, it will be the second-closest full moon of the year, and the closest of three to occur in succession. The next supermoon (221,851 miles) will peak on April 8, and a third (224,429 miles) on May 7.