天文学家试图通过估计太阳质量能产生多少必需的光来解释这些行星上的液态水。
Astronomers tried to estimate what solar mass could produce the required luminosity to explain liquid water on these planets.
计算这个角度可以让天文学家测量地球到太阳的距离，这是当时的终极目标。
Calculating this angle would allow astronomers to measure what was then the ultimate goal: the distance of the Earth from the Sun.
天文学家最终确实发现了太阳黑子与磁场的关系。
Astronomers did eventually figure out what sunspots had to do with magnetic fields.
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