"Nature's Geometry," the third chapter, suggests that we look for design principles that explicitly link different levels of scale from the molecular to the planetary.
第三章的“自然的几何学”表明了我们所寻求的设计原则,即明确地连接了从分子到行星不同规模水平。
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But this well-studied example of a planetary nebula, produced near the end of the life of a sun-like star, is now understood to have a surprisingly complex geometry.