When the sun goes dark: 5 questions answered about the solar eclipse
June 21, 2019
(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.)
(THE CONVERSATION) Editor’s note: A total solar eclipse will be visible across the U.S. on Monday, August 21. Shannon Schmoll, director of the Abrams Planetarium at Michigan State University, explains why and how it happens, and what we can learn from an eclipse.
1. How do we know when an eclipse is going to happen? How do we know in advance where it will be visible?
Solar eclipses happen when our view of the sun is blocked by the moon. When the moon lines up between the sun a...