The Sun, Moon, and the planets formed from a huge spinning gas cloud that collapsed into a gyrating disc.
太阳、月亮和这些星球形成于倒塌进一个旋转盘状物的一团巨大旋转汽云。
An eclipse happens when the earth and moon are in line with the sun.
地球和月亮与太阳处在一条直线上,日食就发生了。
The indicators of the Antikythera Mechanism, would then move to show the motion of the Sun and Moon relative to the planets and stars.
这些安提基西拉机械装置的指示器就会移动,显示相对于行星和恒星的日月运动。
Astronomers use the observatory to study the positions and movements of the Earth, sun,moon and other objects in space.
VOA: special.2009.09.21
When bad weather prevented navigators from seeing the sun,moon or stars, they had to use a method called "dead reckoning" to find the ship's position.
VOA: special.2009.12.23
For Eleanor Creesy to learn the correct position of the ship each day, she had to be able to see the sun, the moon or stars.
VOA: special.2009.12.23
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