March Astronomy: The Three Bright Outer Planets Converge This Month for a Once-in-20-Years Rendezvous

In the western sky after sunset, Venus in late March attains its highest position at dusk and its longest duration of visibility in a dark sky for 2020. All three bright outer planets—Mars, Jupiter and Saturn—cluster in the southeast before dawn. Don’t miss their rare, once-in-20-years compact gathering from March 18-31. In mid-March, Mercury reaches […]