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

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

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??????

??:???