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

??:?????