He wanted to know how it could be that the planets orbited the sun.
他想弄明白为什么行星会绕太阳做轨道运行。
A similar situation to the spaceship that orbited the massive black hole.
这与在巨大黑洞轨道上运行的宇宙飞船的情形相似。
TIROS-1 orbited from pole to pole, snapping photos every 30 seconds, as illustrated in this series of images.
泰洛斯1号卫星在两极之间环绕地球运行，每30秒钟拍摄一张照片，如配图中的图像系列所示。
The unmanned spacecraft orbited the moon until March 2009, when it was intentionally crashed into the lunar surface.
在2009年3月份被引导着撞毁在月球表面之前，这艘无人驾驶的飞船一直在围绕月球飞行。
The first were huge gas planets — composed mostly of hydrogen, similar to Jupiter — that orbited extremely close to their stars.
首先被发现的行星们是巨大的气体行星，它们像木星一样大部分由氢构成，其运行轨道距围绕的恒星很近。
A plane orbited over the landing field.
有一架飞机在机场上空盘旋。
How many spacecraft have orbited the moon?
有多少艘太空船已经绕月球轨道运行过？
Astronomers say the star is about half the size of our sun and being orbited by the two planets.
天文学家说，这颗恒星大约有我们的太阳的一半大，有两颗行星围绕着它旋转。
The Soviet Union orbited the world's first space station, Salyut 1, designed for scientific studies, in 1971.
1971年苏联在地球轨道上设立世界第一座太空站礼炮1号作为科学研究之用。
Yang Liwei orbited the Earth 14times during his complete 21-hour flight with theShenzhou 5 spacecraft in 2003.
2003年，在神舟5号整个21小时的航程中，杨利伟绕地球飞行了14圈。
Last Wednesday the Shenzhou 5 spacecraft orbited the Earth 14 times and reached an altitude of 343 kilometres.
上周三，神州五号宇宙飞船围绕地球飞行了14圈，达到了343公里的高度。
Since the launch of the Zarya Control Module on November 20, 1998, the station has orbited the Earth over 66,500 times (as of June 27, 2010).
自从1998年11月20日发射曙光号功能舱(ZaryaControlModule)以来，空间站已经环绕地球约66500圈(截止2010年6月27日)。
The space station has traveled 2.1 billion km, orbited Earth more than 57, 300 times, hosted 167 people from 15 countries, and served up more than 19, 000 meals.
十年来，国际空间站共运行了21亿公里，绕地球运转57300多次，接待过来自15个国家的167人，提供过1.9万多次用餐服务。
April 14th 1981, America's first space shuttle, Columbia, returned to Earth after a three-day test flight. The shuttle orbited the Earth 36 times during the mission.
1981年，美国第一艘宇宙飞船哥伦比亚号经过三天试飞后于4月14日返回地球。在试飞期间，哥伦比亚号共绕地球飞行36圈。
Two sulfurous eruptions are visible on Jupiter's volcanic moon IO in this color composite image from the robotic Galileo spacecraft that orbited Jupiter from 1995 to 2003.
在这张来自伽利略航天器的彩色合成照片中我们可以看到，在木星这颗遍布火山的卫星木卫一上，正发生着两场硫磺喷发。伽利略航天器从1995年至2003年一直环绕着木星运行。
Galileo had believed Copernican theory (that the planets orbited the sun) since early on, but it was only when he found the evidence needed to support the idea that he started to publicly support it.
伽利略很早就相信哥白尼理论(即行星绕太阳公转)，但只有当他发现了证据来支持这一学说时，才公开表示支持。
The U. S. orbITed ITs first space station in 1973; called Skylab, IT was equipped as a solar observatory and medical laboratory.
美国在1973年第一次发射太空站，称为太空实验室计划，配备太阳观测平台与医学实验室。
The U. S. orbITed ITs first space station in 1973; called Skylab, IT was equipped as a solar observatory and medical laboratory.
美国在1973年第一次发射太空站，称为太空实验室计划，配备太阳观测平台与医学实验室。
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