Knowing the width of Earth's orbit, the parallax shift lets astronomers calculate the distance.
知道了地球轨道的宽度，视差偏移可以让天文学家计算距离。
This angular shift, called the parallax of Venus, would provide a measure of the distance between Earth and Venus because the two quantities are inversely proportional to each other.
这个角差称为金星视差，可以做为地球和金星距离的指标，因为两个数值互成反比。
This angular shift, called the parallax of Venus, would provide a measure of the distance between Earth and Venus because the two quantities are inversely proportional to each other.
这个角差称为金星视差，可以做为地球和金星距离的指标，因为两个数值互成反比。
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