也就是在那里，在哥白尼学说出现的1800年之前，阿里斯塔克确立了以太阳为中心的太阳系的假说，埃拉托色尼计算出了地球的周长。
It was there, 18 centuries before the Copernican revolution, that Aristarchus posited a heliocentric solar system and Eratosthenes calculated the circumference of the Earth.
他安置了固定的太阳在太阳系的中心与行星去围绕它的和仍然去围绕地球的仅月亮的。
He placed a fixed sun at the centre of the solar system with the planets going round it and only the moon still going round the earth.
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