Science
What scientist discovered that sunspots occur in an eleven-year cycle?
More Questions from Science
What is any picture of an object made with a mirror or lens called?
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Which scientific term is best defined as an electrically charged atom?
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What is the speed of the solar system around the center of the galaxy?
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Pressure exerted by the atmosphere at a given point is known as what?
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What is the opening of a lens, which controls the amount of light?
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What type of cell doesn't have membrane around its nuclear material?
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What was so unusual about the Mercury space flights?
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On average how many miles is Pluto away from the Sun?
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