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

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