?????????,“?????????”

????:???????:????app

???,?????????“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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