• An asteroid or comet fragment around 60 meters across is believed to have been behind the Tunguska Event, a powerful explosion that took place over Russia in 1908.

    据信,1908年俄罗斯上空发生的强劲爆炸——通古斯大爆炸背后一个直径六十小行星慧星碎片

    youdao

  • An asteroid or comet fragment around 60 meters across is believed to have been behind the Tunguska Event, a powerful explosion that took place over Russia in 1908.

    据信,1908年俄罗斯上空发生的强劲爆炸——通古斯大爆炸背后一个直径六十小行星慧星碎片

    youdao

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