????:1???????????:???????????

2?????98???

3???????

4?????????

5????????

????,????????“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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