By Lou Feng A photo of a total lunar eclipse, also known as a “blood moon.” The photo was taken during the Jan. 2019 eclipse by NASA’s Hubble Space Telescope. Courtesy of M. Kornmesser ...
Without protective gear, looking directly at an eclipse can cause serious damage or scarring to the eyes. “Solar retinopathy ...
When sunlight passes through Earth's atmosphere, blue light scatters more easily while red light travels more directly through the air. During a lunar eclipse, some of the sunlight passes all the way ...
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