Because it's genuine nature, not man made. But they are two different things and so perhaps shouldn't be compared.
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A Leonids "storm" only occurs every 33 years or so. So it is worth taking time out to see it in 2030 or so.
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Uh, Sam IS really mighty, but then, Leo is the king of the jungle. I'd go with the king!
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No one had to make it or buy it.