Geologists agree that the Sudbury impactor was at least eight kilometers ( about five miles ) across.
地質(zhì)學(xué)家同意,造成 隕石坑 的外太空撞擊物,直徑至少八公里.
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The Sudbury fullerenes contained helium with compositions similar to some meteorites and cosmic dust.
索德柏立富勒烯里的氦氣同位素組成,與某些隕石、彗塵中的一樣.
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