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doit_the_clown doit_the_clown
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7 years ago
Comets typically have two tails, one straight and the other curved. Which is which?

(a)   The straight tail consists of gas and the curved tail consists of dust.
(b)   The straight tail consists of dust and the curved tail consists of gas.
(c)   The straight tail consists of gas and dust from the comet, and the curved tail consists of solar wind ions deflected by the comet’s nucleus.
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Discovering the Universe

Discovering the Universe


Edition: 7th
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Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein
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papachulopapachulo
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7 years ago
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