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

?????:???