????:1?????SPA:????????

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??????

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