/u/thermal7's posts in /r/askscience
What happens if the rocket carrying the James Webb telescope explodes? Does NASA have a spare contingency telescope just in case? Are there enough extra parts that one could be put together?
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Why is there minimal interest in building a telescope on the moon? With no atmosphere and the ability to build a very large mirror, it would seem like a great location.
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How plausible was it for Walter White to explode a nugget of fulminated mercury a few feet from himself, and not be seriously injured?
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