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My Answered Questions
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Which star cluster is the largest?
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Why was Pluto dropped as a planet?
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Why do stars twinkle and planets do not?
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Approximately how many scientists study space in the UK?
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If Mars was the same distance from the sun as Earth would life be created on Mars?
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Is it true that space is silent?
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Are there any black holes in our solar system and if there are which is the largest and most powerful?