Excited for the August 21 eclipse? Visit our Eclipse 2017 page to explore the science, history, and myths of the event. The Curiosity team will be viewing the eclipse alongside NASA in Carbondale, Illinois. Follow us on Facebook for live videos, trivia, and interviews on the big day.
What Does SPF Mean?
Share the knowledge!
Key Facts In This Video
Sunscreen helps protect our skin against UVA and UVB rays. 00:01
Although UVB rays are not as potent as UVA rays, they are the central cause of sunburning and tanning. 00:55
The fairer your skin tone (or if you burn easily), the higher your SPF should be. 02:52