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2???????

3????????

4??????Q

5????????????

???,?????“2024 YR4”???“????8????”??????????

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??:???(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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