The Earth Institute Columbia University1y
Identifying Elements in the Sun Using Spectral Lines
The brightest star in our sky is the Sun. Absorption lines in the solar spectrum were first noticed by an English astronomer in 1802, but it was a German physicist, Joseph von Fraunhofer, who first ...
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Ohio’s cloudy weather can impact your mental health
Seasonal affective disorder is a form of depression that occurs during the winter season when there's a lack of sunlight Spectrum News 1 meteorologist Erin Carroll said that’s because of Ohio being ...
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Everything you need to know about fire rainbows
Fire rainbows require specific conditions: cirrus clouds and sunlight at least 58° high in the sky. They're most visible in places with clear skies and minimal pollution. Think the American Southwest, ...
aad.org2y
Sunscreen FAQs
Broad-spectrum sunscreens protect against both UVA and UVB rays. What is the difference between the rays? Sunlight consists of two types of harmful rays that reach the earth — UVA rays and UVB rays.