Science

What is an LED?

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When cool or cold air suddenly drops to the ground, it is known as a what?
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What is the study of stars, planets and galaxies called?
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Pressure exerted by the atmosphere at a given point is known as what?
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Who was the first President of the "Planetary Society", an organization of amateur astronomers?
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What instrument is used to look far-away objects?
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What is the 6th planet from the sun in our solar system?
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What are the huge storms that the sun produces called?
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Who invented the most common bacterial medium?
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