?? ?????????,�?????????�
![](http://n.sinaimg.cn/translate-08/698/w899h599/20180422/Nl6A-fznefkh5323880.jpg)
????:1????95?:??????
2????????????
3???????????
4??????????
5???????
????????????,????????�2024 YR4�?�??????8??????????�????????
????,????????,?????????????????,?,??????�????�,?????�????????�???
????????????????????????
![](http://i2.chinanews.com/simg/hnhd/2025/02/17/98/2895026226120577422.jpg)
�2024 YR4�?????2024?????12???27????????????????,????????40????????????????????90?,??
???????2025???????????1??????????,NASA???????,?????4800???,?????????????,????
????,�2024 YR4�??????????????????�?�??�??�?????????????1??????,??????,?10?????
2013??,????????20?????????,???????????????,?????????20?????????30?????,????,????????,???7000????,????????1000??????????
?????:???