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During a total solar eclipse, people may see some strange things. Sure, there’s the main event happening in the sky (SN: 1/4/24).But the world may also look a little different on the ground.
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Human retinas have three types of color-sensing cones: red, green and blue. ... This is why greens and blues are so noticeably vibrant during twilight and a solar eclipse, Neitz says.
Those viewing a total solar eclipse might experience an optical illusion known as the Purkinje effect, which causes red colors to look muted and greens and blues to pop.
Cones aren't sensitive enough to pick up dim light, so even though they are working during twilight, colors and contrast fade. Because of this, blue-green hues tend to be the only colors eyes can ...
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