????:1???????:??spa??????

2??????400?????

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

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