????:1???????wx:??????????

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???

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