And over the deep Solar Minimum of the past few years, our Sun has been unusually quiet.

而在深太阳能最低，过去几年，我们的太阳曾经十分安静。

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What this shows is that during the latest solar minimum, the sun's output was 0.015 per cent lower than during the previous lull.

这一记录显示，在最近的一次太阳活动极小期中，太阳输出的能量相比之前一次降低了0.0015%。

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The electron densities from EISCAT observations show obviously the wellknown winter anomaly in solar maximum and a semiannual variation in solar minimum.

EISCAT观测到的电子密度显示出显著的太阳活动高年“冬季异常”和太阳活动低年半年变化等现象。

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Additionally, the solar minimum during that time will also limit the radiation exposure to the astronauts.

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The sun has been in a particularly prolonged and deep solar minimum for the last couple of years, with fewer sunspots and solar storms erupting on its surface.

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So the real controversy is what minimum level of solar energy at 65N is the threshold for the descent into an ice age and how unstable the weather becomes near that threshold.

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