The UV Index measures the ultraviolet radiation coming from the sun. There are three primary types of UV radiation: ...
The color of the sun is actually white, though it may look yellow. If you were to get close enough to the sun, which you can't actually do, you'd be able to see its true color. The light rays from the ...
Dates can shift slightly for equinoxes depending on the year, but it's always around this time in September. The next vernal equinox in the Northern Hemisphere takes place on March 20, 2026, and will ...
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