On August 21 at 2:30PM the moon will block the sun, causing daylight to wane and temperatures to drop; it will be a total solar eclipse.
According to NASA, more than 300 million people in the United States may be able to view this 70-mile-wide phenomenon passing over 14 states.
• Using only special-purpose solar filters (eclipse glasses or hand-held solar viewers)
• Ensuring the glasses or viewers meet the requirements to keep your eyes safe.
Want to be more involved? NASA is looking for citizen scientists to help collect data. Read all about it.