Although the interior of an asteroid in the vacuum of space presents its own challenges to combinatorial chemistry, the absence of large quantities of liquid water could enable complex molecules to form slowly without being diluted in solution.

• 虽然宇宙真空中小行星内部结构有待于组合化学的研究来揭密，但因缺乏大量的液态水，复杂的大分子也可在无溶液稀释的状态下逐渐形成。