????: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?????

????:????