This bright, breakout comet has cracked naked-eye magnitude and should be easy to spot with binoculars or a smartphone before dawn. Looking for a sky event this week? Check out our full Sky This Week column. April 11: Comet Tempel 2 in Scutum While Comets Wierzchoś and Tempel 2 are faint, there’s a breakout star in the early-morning sky that’s cracked naked-eye visibility: Comet ... [1264 chars]