Missing the view of the stars because of the smoggy city skies? Come to this Boston Center for Adult Education class on Tuesday, July 12, from 7:30 – 10, and enjoy an introduction to the planets, stars, and constellations that can be seen on clear summer nights, even in metropolitan areas. Students will learn observation techniques and how to use astronomy tools such as a planisphere. $43 for BCAE members, $50 for nonmembers, $15 materials fee. To register, visit www.bcae.org or call 617-267-4430.