You are probably aware that the earth's orbit around the sun is not shaped like a perfect circle.
你可能知道，地球围绕太阳的轨道形状不像一个完美的圆。
Astronomers have detected an asteroid not far from Earth, moving in the same orbit around the Sun.
天文学家在距离地球不远处发现一颗小行星，它与地球在同一轨道上围绕太阳运行。
It is long known that Earth's orbit around the Sun changes periodically, cyclically affecting the way solar radiation strikes the Earth.
人们早就知道，地球围绕太阳的轨道会周期性地变化，周期性地影响太阳辐射照射地球的方式。
A new satellite has been put into orbit around the earth.
一颗新的人造卫星被送上了环绕地球的轨道。
The satellite was launched into the orbit around the moon.
卫星被射入环绕月球的轨道。
Milankovitch proposed in the early twentieth century that the ice ages were caused by variations in the Earth's orbit around the Sun.
米兰科维奇在20世纪早期提出，冰河时代是由地球绕太阳运行轨道的变化引起的。
A lot of people think of earth's orbit around the sun as being perfectly circular, as smooth and as regular as, say, the way that hands move on a well-made watch, but it just doesn't work that way.
很多人认为地球绕太阳的轨道是完美的圆形，就像手在一块制作精良的手表上移动那样平滑、有规则，但事实并非如此。
Mars's orbit around the Sun is the fourth fastest orbit of all the solar system planets.
在太阳系所有行星中，火星绕太阳的轨道速度第四快。
The reason for a leap day or a leap year is because our calendar does not follow the Earth's orbit around the sun exactly.
闰日或闰年出现的原因是我们的历法并不精确地遵循地球围绕太阳运行的轨道。
Well, it's all down to the Earth's orbit around the sun.
好吧，这全都归结于地球沿着轨道绕太阳公转。
But in orbit around Saturn, Cassini had no such problems.
但是在环绕土星的轨道上，卡西尼就没有这样的问题。
It is the fourth planet in orbit around the star Felix.
它是围绕恒星费利克斯旋转的第四颗行星。
Messenger is the first spacecraft to go into orbit around the planet.
信使号探测器是第一进入行星轨道的航天器。
Thee earth moves in an approximately circular orbit around the sun.
地球在一个近似正圆的轨道上绕着太阳运行。
Now I wonder, what is the kinetic energy of the Earth in orbit around the sun?
我想知道地球绕太阳，公转的动能是多少？
In orbit around the Moon, the orbiter was about 372,335 kilometers from Earth.
环绕月球时，卫星距离地球约372,335公里。
About every two years, however, the Earth passes Mars as they orbit around the Sun.
大约每隔两年，地球会在绕太阳运行的轨道上经过火星。
In some simulations, the stars spread along a full orbit around the galactic center.
在一些模拟场景中，恒星们会沿着一个完整的轨道围绕银河系中心运转。
As of 2007, three extrasolar planets have been confirmed in orbit around this pulsar.
直至2007年，在这颗脉冲星周围轨道上已有三颗系外行星被确认。
As an example, say you have an item that you want to move in a circular orbit around the screen.
例如，假设想要有一个在屏幕中沿着圆形轨迹运动的项。
Today almost 900 of the things are in orbit around Earth, operated by more than 40 countries.
如今有40多个国家的近900个人工天体在地球轨道上运行。
The unmanned probe launched March 31, 1966, and entered orbit around the moon two days later.
这艘无人驾驶的航天器发射于1966年3月31日，并在两天后进入绕月轨道运行。
The Mars Reconnaissance Orbiter is NASA's most powerful spacecraft currently in orbit around Mars.
目前在火星轨道上运行的火星勘测轨道飞行器是NASA最强大的航天器。
The ecliptic plane is defined as the imaginary plane containing the Earth's orbit around the sun.
黄道平面是一个假想的平面，理论上它包含了地球环绕太阳运行的轨道。
The image celebrates the 20th anniversary of Hubble's launch and deployment into an orbit around Earth.
为庆祝哈勃望远镜升空并进入绕地轨道运行20周年纪念拍下了这个图片。
As a result, thousands of websites and apps have essentially become satellites that orbit around Facebook.
结果，成千上万个网站和应用像卫星一样，围绕着Facebook运行。
This image was taken by HiRISE camera on board the Mars Reconnaissance Orbiter, currently in orbit around Mars.
这幅图像是由火星轨道探测飞船上搭载的高分辨率科学实验照相机（HiRISE）最近在环绕火星的轨道上拍摄的。
This image was taken by HiRISE camera on board the Mars Reconnaissance Orbiter, currently in orbit around Mars.
这幅图像是由火星轨道探测飞船上搭载的高分辨率科学实验照相机（HiRISE）最近在环绕火星的轨道上拍摄的。
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