为饥饿的红矮星准备的地球风味开胃菜
天文学家提出，红矮星周围的宜居带行星可能通过捕获富含碳、氮等挥发性物质的彗星或小行星，获得类似地球的“开胃菜”般的关键生命元素。这些来自外太阳系的物质撞击，或许能解决红矮星系统内行星缺乏必要元素的问题，增加其孕育生命的潜力。
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