Sky Tonight—April 2, Follow the arc to Arcturus

Courtesy of EarthSky A Clear Voice for Science Visit EarthSky at www.EarthSky.org Now is a perfect time to look outside in the evening and learn a playful phrase useful to skywatchers. Scouts learn it. Grandparents teach it to kids. It was one of the first sky tools I learned to use in astronomy. The phrase is: follow the arc to Arcturus. First locate the Big Dipper asterism in the northeastern sky in mid-evening, maybe around 9 p.m. Can’t find the Big Dipper? Look ahead to our chart for ... Full Story