Science

How many years are in a sunspot cycle?

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What are the Southern Lights called?
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A covering of ice crystals on the ground is known as what?
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What are solid particles that produce color by absorbing or reflecting light called?
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What is the sun mostly made up of?
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What type of simple machine is used on a flag and flag pole?
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What is a sudden violent explosion on the sun called?
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What is the art of growing a miniature tree or trees in a low-sided pot or tray?
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Who was the scientist to propose the three laws of motion?
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