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

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