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

???????:??