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

2?????

3?????????

4?????????

5??????800???

????,????????“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??????????

?????????:???