Artist’s impression of a 1000km-diameter planetoid hitting a young Earth. Don Davis (work commissioned by NASA)
直徑一千公里的小行星擊中早期地球之想像圖。唐‧戴維斯繪圖(美國太空總署委託)。Jun 03, 2018

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Photo: Wikimedia Commons
照片:維基共享資源

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