????:1?????90????????:??????v

2??????

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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