The best stargazing of the year begins now. Through June and into July, the planets Jupiter, Saturn, and Mars make their best apparitions in many years and reveal plenty of fascinating detail in a small telescope. Venus and Mercury also make appearances, as does the big asteroid Vesta which grows bright enough to see without optics. And of course, the best part of the Milky Way returns with its rich collection of hundreds of star clusters, star-forming regions, dark nebulae, and star clouds. Here’s what to see in the night sky this month…