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

2???????????

3???????

4??????????

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???

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