????: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??

??????:????