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美国航空航天局（NASA）在今年早些时候发射了一枚空间飞行器——斯塔达斯特（Stardust），旨在收集、研究慧星的尘埃。“斯塔达斯特”飞行器的使命能够进一步扩大科学家对太阳系历史甚至地球生命起源的了解。许多研究人员认为，童星可能含有形成太阳和行星的原始物质；一些人?
NASA launched a spacecraft called Stardust earlier this year to collect and study dust from the comet. The mission of the “Stadaster” aircraft can further expand scientists’ understanding of the solar system’s history and even the origins of life on earth. Many researchers believe that child stars may contain the original material that forms the sun and the planet; some people?