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common cosmos
常见的宇宙
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Astronomers said Wednesday that each of the 100 billion stars in the Milky Way probably has at least one companion planet, on average, adding credence to the notion that planets are as common in the cosmos as grains of sand on the beach.
WSJ: Galaxy Hosts 100 Billion Planets, in New Estimate
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