Sky Tonight—March 13, Moon shines in front of Winter

Courtesy of EarthSky A Clear Voice for Science Visit EarthSky at www.EarthSky.org As seen tonight from all over the world, the moon passes right in front of the great big loop of stars known to northern hemisphere residents as the Winter Circle or the Winter Hexagon. This huge star formation makes even the constellation Orion the Hunter look small. Orion sits in the southwest (lower right) corner of the Winter Circle. The Winter Circle is an asterism – a group of stars that is NOT a ... Full Story