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

2????????100????

3???????????????

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

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????

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