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

2???????

3???????????

4?????app????

5?????

?,??????????“2024 YR4”??????????????????“?8?????????????”????????

?????,??,????????????????,?,?????????????“????????”,????????“?????”??

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????????:?????????????(CNN)

“2024 YR4”???????????????2024????12????27??????,??40??????????90??????,??????

???2025???1?????????,NASA?????????????,???4800????????????,??,?????????????

??????,“2024 YR4”????????“??”?????“?????????”?1?,??????????????????????????????,?????10???????

2013????,?20?????,?????????,??20????30?,????????,????,???????????7000?,???????1000????

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