EarthSky Tonight—October 16, See Cassiopeia and Big

Courtesy of EarthSky A Clear Voice for Science www.EarthSky.org On October evenings, the Big Dipper resides rather low in the northwest sky, and the W or M-shape constellation Cassiopeia the Queen sits on her throne in the upper northeast sky. These two star formations are like riders on opposite side of a Ferris Wheel. They spin around Polaris, the North Star, once a day. As one rises upward, the other plunges downward – and vice versa. As evening deepens into late night, the Big Dipper ... Full Story