Consequently, in addition to UV protection, what really matters is how resistant a microbe is to all components of space radiation and how quickly the life-bearing meteorite moves from planet to planet.

• 于是，除了紫外线防护之外，真正的问题在于，细菌如何防御宇宙辐射中所有的成份，以及带有生命的陨石如何从某一行星迅速移动至另一行星。