The vernal equinox occurs at 10:46 A.M. EDT, bringing astronomical spring to the Northern Hemisphere as the Sun stands directly over Earth’s equator. On this day, the Sun also sits at the celestial ...
We’re getting ready to say goodbye to the summertime constellations, including Cygnus the Swan, now about 40° high in the west two hours after sunset. Before this famous star pattern disappears, ...