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

2???????????

3?????????

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

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??

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