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

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

3????????

4??????100???

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??????

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