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

??:????