????:1?????????????:???????????

2???????????

3??????

4????????????

5?100?????

????????,????????“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??

????:??