Name The Year: Lee De Forest (in Council Bluffs, Iowa), invented the Audion vacuum tube (radio tube)?

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Astrology : Which month has a diamond as a birthstone?

Astronomy : A heavenly body moving under the attraction of the Sun and consisting of a nucleus and a tail is a(n) _______.?

Astronomy : Does Uranus have an aurora?

Astronomy : From 1979 until 2000 the most distant planet from the earth was ________.?

Astronomy : If you're in the northern hemisphere, Polaris, the North Star, can be found by looking which direction?

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