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

2?????????

3???????100?4???

4?51pc·mc??2023ios??

5?????????

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

????????,?,??????????,????,????????????????????????“???????????”,????????????????????“????????”?????

????????????

????:?(CNN)

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

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

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

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

??:????????