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

2?????????

3??????v

4?????vx

5?????????

??2??16??? ????(CNN)?????,????????????????????(NASA)??????????,??“2024 YR4”?,???2%?????2032??????????????

????:???????????????(CNN)

“2024 YR4”???2024??????12?27???????,??????????40??????????90????????????,???

?2025????1???????????????????,NASA????????,????????4800????????,????,????????????

???,“2024 YR4”?????????“????”??????“?”?1???,???????????????????????????????,?10??????????

2013?,???????????20?,??,????20??30????????,?????,????????,?7000?????????,?1000????????

??????:??