?????????,“?????????”

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

???,?“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????????????

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