• 如果观赏的天空没被光污染弄得太可以认真一下流星的数量国际流星组织

    If your sky is not too light-polluted, you might try making a careful meteor count and reporting it to the International meteor Organization.

    youdao

  • 如果观赏的天空没被光污染弄得太可以认真一下流星的数量国际流星组织

    If your sky is not too light-polluted, you might try making a careful meteor count and reporting it to the International meteor Organization.

    youdao

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