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2????????????

3????????

4??????

5?pc1.impc27.im??

?,????“2024 YR4”??????“????8???”?????????

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?????????????:?(CNN)

“2024 YR4”???2024????12????????27?????,?????????????40????????90????,???

??????????2025????1?????????,NASA??????????????????????,?4800???????????????????,???????????,???

????,“2024 YR4”???????????????“?”?????????“?????”????????????1?????,??????,???????????10???????????

2013??????,?????20????????????????????????,????????,?????????20????????30??????,???,???,?????????7000????,?1000????????

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