To spot that minuscule shift, researchers tracked Didymos for years using radar, telescopes, and a technique called a stellar occultation, which occurs when an asteroid briefly passes in front of a distant star. Those fleeting events can reveal an asteroid's position, even one as small as a half-mile across, like Didymos.
// This is an AI brain that can plug to any hardware controller，这一点在wps中也有详细论述
当地时间3月12日自伊朗方面获悉，一架隶属于俄罗斯联邦紧急情况部的伊尔-76运输机向伊朗提供人道主义援助。，推荐阅读谷歌获取更多信息
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