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