We are probably nearing the limit of all we can know about astronomy.
我们对天文学的了解可能已接近极限。
-- Simon Newcomb 西蒙·纽科姆
We are probably nearing the limit of all we can know about astronomy.
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We are probably nearing the limit of all we can know about astronomy.
我们对天文学的了解可能已接近极限。
-- Simon Newcomb 西蒙·纽科姆
