By Guy Ottewell in Astronomy Essentials | Human World|2 days ago
Shadow bands are elusive ripples of alternate light and dark, flitting over the ground or the sides of buildings during a total solar eclipse. How to take part in an International Shadow Band Campaign during the August 21 eclipse.
All you need to know about 2017’s major meteor showers. Next good opportunity is late July and early August. Watch between midnight and dawn, when the moon is down. You won’t catch a magnificent display, as in some years, but you might see some!