During a total solar eclipse, some colors really pop. Here’s why

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.

For a few minutes, as the moon blocks the sun’s rays, colors fade to silvery gray in the false twilight. Usually vibrant reds may appear dark or even black, while blues and greens will pop.

Two things are happening to produce the color shift, says Takeshi Yoshimatsu, a color vision researcher at Washington University School of Medicine in St. Louis. 

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