Never look directly at the sun's rays. When watching a partial eclipse you must wear eclipse glasses at all times or use another indirect method if you want to face the sun. During a total eclipse when the moon completely obscures the sun, it is s NASA Goddard YouTube
Never look directly at the sun's rays. When watching a partial eclipse you must wear eclipse glasses at all times or use another indirect method if you want to face the sun. During a total eclipse when the moon completely obscures the sun, it is s NASA Goddard YouTube

NASA says your eclipse glasses may be unsafe. Here’s how to tell if they’re not

July 29, 2017 11:19 AM