????: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?????

????:????