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

2????????

3??????

4?51????app

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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