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1 gen 443378869 anni a. C. - 伽玛射线暴事件在短时间内发生几百个太阳一生中所释放的能量总和。此次发生在奥陶纪和志留纪之间的伽玛射线暴造成地球上60%的物种灭绝

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https://baike.baidu.com/item/%E4%BC%BD%E9%A9%AC%E5%B0%84%E7%BA%BF%E6%9A%B4/5259795

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地球地质年代表

8 feb 2020

Data:

1 gen 443378869 anni a. C.

Adesso

~ 5883516 years ago

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