He used the sun and geometry (几何学) to figure out the size of the Earth. He calculated that the circumference (圆周) of the Earth was 28,600 miles ( 46,000 kilometers). Actually, The true size of the Earth is 25,000miles (40,000 kilometers ).Eratosthenes's measurement was wrong,...
Eratosthenes was sure that the Earth was a sphere. He used the sun and geometry(几何学) to figure out the size of the Earth. He calculated that the circumference(圆周) of the Earth was 28, 600 miles(46, 000 kilometers).The true size of the Earth is 25, 000 miles (40, 000 kilo...
29.C,细节理解题,根据第二段"He calculated that the circumference(圆周) of the Earth was 28,600 miles(46,000 kilometers). "他计算出的地球的圆周周长是28600英里(46000公里),可知,他确信地球是圆的,故sphere是一个球体,故选C.30.B,词义猜测题,根据第二段大意可知,Eratosthenes 测算出地球的周长,可知...
Therefore, the diameter of Earth through its center is 7,926 miles (12,756 km). Again, because of the equatorial bulge, the planet's diameter is slightly smaller when measured from pole to pole, where it is about 7,900 miles (12,712 km). The equatorial circumference of Earth is 24,9...
In terms of the solar system planetary ordering, Earth is the third planet closest to the Sun. As far as we know, Earth is the only place in the observable universe that hosts life as we know it. Earth's age is 4.5 billion years old....
Why does everything look flat even though the Earth is round? 25 biggest space conspiracy theories: Debunked Related:How big is Earth? You can see Earth is round To put it bluntly, we know more about the curvature of Earth than almost any other topic in the realm of physical science. Th...
May I know how big your waist circumference is it? 翻译结果4复制译文编辑译文朗读译文返回顶部 正在翻译,请等待... 翻译结果5复制译文编辑译文朗读译文返回顶部 I can know your waist is big? 相关内容 alife is too short to hate someone 正在翻译,请等待... ...
How big is the sun in feet? How far is Ceres from the sun? How big is an astronomical unit? What is the angular size of the Sun from mars? How many solar radii fit within one astronomical unit? What is the distance from Mars to the sun?
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How Fast Is the Earth Rotating on Its Axis? The Earth rotates on its axis once each day. Because the circumference of the Earth at theequatoris 24,901.55 miles, a spot on the equator rotates at approximately 1,037.5646 miles per hour (1,037.5646 times 24 equals 24,901.55), or 1,669.8...