Sky Tonight—January 30, Jupiter and Great Square of

Courtesy of EarthSky A Clear Voice for Science Visit EarthSky at www.EarthSky.org On these winter evenings, the dazzling planet Jupiter and the Great Square of Pegasus light up the western sky at nightfall. Be sure to catch them at early evening, because Jupiter and the Great Square start plunging beneath the horizon by around 9 to 10 o’clock this evening. You simply can’t miss Jupiter. It is the fourth brightest body in all the heavens, after the sun, moon and the planet Venus. After ... Full Story