Unable to view our graphics? Click here to see them. Day and night aren't exactly 12 hours on the day of the equinox because the Earth's atmosphere refracts, or bends, light in an optical illusion ...
Unable to view our graphics? Click here to see them. Day and night aren't exactly 12 hours on the day of the equinox because the Earth's atmosphere refracts, or bends, light in an optical ...
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