????: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?????

?????:?????