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Author Question: When does Earth's perihelion position, the point of orbit when it is closest to the Sun, occur? ... (Read 36 times) |
Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
Your heart beats over 36 million times a year.
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More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.