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。
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。
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。
Earth's orbit around the sun and tilt on its axis combine to carry us in this hemisphere further away from receiving the sun's rays most directly.
随着地球围绕太阳的轨道和轴的倾斜将我们带到这个半球，我们更远离直接接收太阳光线的地方。
It says that variations in earth's movements, specifically in its orbit around the sun, these variations lead to differences in the amount of solar energy that reaches the earth.
这一假设认为，地球运行的变化，特别是绕太阳轨道的变化，会导致太阳到达地球能量的不同。
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。
Orbit the moon travels in an orbit around the earth.
月亮在绕着地球的轨道上运行。
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。
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。
How do we explain why heavenly bodies orbit around other heavenly bodies?
那么该如何解释天堂里的物体相互之间环绕运行呢？
the planets, Earth included, orbit around the sun on this celestial sheet.
括地球在内）都沿着轨道绕着太阳公转。这代表太阳系平面，学名“黄道”。
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。
This is because of the Moon's orbit around Earth which is oval or elliptical in shape.
这是因为月球环绕地球的轨道是卵形的或者椭圆形的。
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。
The Moon is in orbit around the Earth at an approximate distance of 377, 000 km (234, 000 miles).
月亮所运行的轨道距离地球约为377,000公里（234,,000英里）。
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。
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 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 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。
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