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

2?????

3??????????

4?????????

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???

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