SIGNS IN THE HEAVENS: The Great American Solar Eclipse is 100 Days Away

This summer, darkness will fall across the face of America. Birds will stop singing. Temperatures will drop. Stars will become visible in the daytime sky. In about 100 days, a total solar eclipse will sweep across the continental United States for the first time since 1918. Astronomers are calling it the Great American Eclipse.

For the amateur sky-watcher, a total eclipse presents a rare opportunity to witness a cosmic hiccup in our day-night cycle. For solar astronomers, however, the eclipse offers something else: three minutes (give or take) to collect as much data as possible about the sun’s usually hidden outer atmosphere. Researchers have been anticipating the event for years. FULL REPORT