Science

Who was the first President of the "Planetary Society", an organization of amateur astronomers?

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How many planets are there in the solar system?
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Dimples on golf balls help increase speed by reducing what?
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The four engines of a Boeing 747 jet produce 188,000 pounds (85,275 kilograms) of what?
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The term "falls" is best defined as what?
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What is the generic term for very small loose particles of hard, broken rock or minerals?
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Which one of the original 7 astronauts sported the middle name of Herschel?
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In which year was Hubble's Law formulated?
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Which one of these colors is NOT part of the primary colors of light?
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