学习小提示:本文为科技新闻,涉及到天文知识,长句较多,建议多读几遍加深理解。地面上的陨星或几百万英里外的冰状彗星往往是太阳系初期远古物质的唯一来源。不过,在一项高空飞行的实验环境下,研究人员使用了一种化学“捕蝇纸” Learning tips: This article is science and technology news, involving astronomical knowledge, long sentences, it is recommended to read several times to deepen understanding. Comets on the ground or ice comets a few million miles away are often the only source of ancient materials in the early solar system. However, in a high-flying experimental environment, the researchers used a chemical “flypaper”