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单词 Spherical Earth
释义

Spherical Earth

原声例句
世界奇趣图谱

“Ok, ” I said, “I haven’t personally been up so high that I saw the spherical Earth.

“好吧,” 我说,“我个人还没有升到那么高, 以至于我看到了球形地球。

迷人历史

They believe that the idea of  a spherical earth was purported to fool the public and keep them in the dark.

他们认为,球形地球的想法旨在愚弄公众,让他们蒙在鼓里。

TED-Ed(视频版)

If you hollowed out the center of a perfectly spherical Earth— which it isn’t, but let’s just say it were— you’d experience an identical pull from all sides.

如果你挖空了一个完美的球形地球的中心— —它不是, 但我们只是说它是— —你会从四面八方感受到相同的拉力。

中文百科

地圆说

中世纪画家用来表示地球是圆的的图片,图上绘有地球的资源
Umbra redonda de la Tierra durante el Eclipse lunar de agosto de 2008.
Cuando el navío se encuentra sobre el horizonte, su parte inferior es invisible, debido a la curvatura de la Tierra.
Ilustración de Tierra esférica y las cuatro estaciones. Libro del s. XII Liber Divinorum Operum de Hildegarda de Bingen.

地圆说,是一种认为大地是球形的理论,与地平说相对。

世界上最早提出大地是球形并且给出科学证明的是希腊人。地圆说的理论可以追溯到公元前六世纪的古希腊。古希腊数学家毕达哥拉斯第一次提出大地是球体这一概念。亚里士多德总结出三个科学方法来证明大地是球形:

此后,西方人大多数都认可大地是球形,托勒密创建的地心说即基于地圆说之上。中世纪时,罗马教会将地心说奉为正统,更加速了地圆说的传播。大发现时代麦哲伦船队的环球航行和现代卫星照片更是直接证明了地圆说。

前4世纪的中国法家思想家慎到就提到“天形如弹丸,半覆地上,半隐地下,其势斜倚”,慎到认为天是圆球形的,沿着倾斜的极轴在不停地转动。战国时期的另一位政治家惠施提到“天与地卑,山与泽平……天地一体也”。对于天圆地方之说,略早前生活在前5世纪的曾子就有过困惑,当单居离问曾子关于是否有“天圆地方”之说时,曾子反问道:如果天是圆的,地是方的,不是有四个角露出来遮掩不住吗?曾子认为一个半球形的天穹要如何覆盖在一个方形的大地,可惜曾子没有进一步深思这个问题,却用答非所问的方式转移问题,他引用孔子的话:“天道曰圆,地道曰方”。

英语百科

Spherical Earth 地圆说

Medieval artistic representation of a spherical Earth – with compartments representing earth, air, and water (c. 1400).
Round Earth umbra during the August 2008 lunar eclipse
When a ship is at the horizon, its lower part is invisible due to Earth's curvature. This was one of the first arguments favoring a round-Earth model.
Spherical earth with the four seasons. Illustration in 12th century book Liber Divinorum Operum by Hildegard of Bingen

The concept of a spherical Earth dates back to around the 6th century BC, when it was mentioned in ancient Greek philosophy, but remained a matter of philosophical speculation until the 3rd century BC, when Hellenistic astronomy established the spherical shape of the earth as a physical given. The paradigm was gradually adopted throughout the Old World during Late Antiquity and the Middle Ages. A practical demonstration of Earth's sphericity was achieved by Ferdinand Magellan and Juan Sebastián Elcano's expedition's circumnavigation (1519−1522).

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