4   Articles
3 35782

In China, the greatest astronomer of the Middle Kingdom was Tcheou Kong, the brother of Emperor Wou Wang who lived in the eleventh century before our era. He built an…

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4 34172

For thousands of years men believed that the Moon was so remote that it was inaccessible. When someone was told that she was in the moon, they meant that she…

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345 32931

In the Muslim world, whose intellectual centers in the Middle Ages were located in Damascus (Syria) and Baghdad (Iraq) and Samarkand (Uzbekistan), it was inconceivable that theologians would only deal…

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