Sky Tonight—April 19, Moon and Scorpion rise after

Courtesy of EarthSky A Clear Voice for Science Visit EarthSky at www.EarthSky.org Like clockwork, the constellations rise and set 4 minutes earlier with each passing day. Four minutes doesn’t sound like much, but it adds up after a while. For instance, the stars rise and set one half-hour earlier with each passing week, or 2 hours earlier with each passing month. That is six hours difference after one 3-month season. Tonight, the red supergiant star Antares rises in the southeast around ... Full Story