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

2??????

3?????

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

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

??????:????