The seeds are influenced by the radiation and low gravity in outer space.

种子在外太空会受到辐射和低重力的影响。

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They were sent up with early space flights to see how human cells coped with zero gravity and exposed to radiation to test the effects of nuclear weapons.

这些细胞随着早期的航天飞行被送上太空，用以观察人类细胞在失重的状态下如何存活，并将它们暴露在辐射中用以测试核武器的影响。

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Its gravity is about twice as strong as Earth's, and it receives significant doses of radiation from its star.

他的重力是地球的两倍，接受到恒星的射线量也相当大。

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We have the perfect balance of gases, gravity, solar radiation, water and nutrients to sustain life.

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However, aside from a lack of gravity, Logan says high radiation is the real hurdle for living and procreating in low earth orbit and beyond.

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