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.
Ol' Rainbow Eyes
Cool! But Why?
Watch And Learn: Fascinating Content About Color Perception
How Many Colors Can We See?
Share the knowledge!
Key Facts In This Video
Cones are the eye's color receptors, and most people have three types: blue, red, and green. 00:23
Most humans can see about 1 million colors. 00:55
Tetrachromats have a fourth type of cone, and can see up to 100 million colors. 01:52