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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Send a mission to Mercury and you risk frying it with solar radiation or wasting tremendous amounts of fuel to correct against the influence of solar gravity.

到水星的发送任务，你冒除飞行伴随着太阳辐射或者浪费非常大量的燃料去较正针对太阳引力的影响。

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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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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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