One characteristic of Earth's orbit is its eccentricity, the degree to which the orbit is an ellipse rather than a circle.
地球轨道的一个特点是它的离心率，也就是轨道是椭圆而不是圆形的程度。
They are the radius of the orbit, the energy of the system and the velocity of the electron, and I am just going to present you the solutions.
它们是轨道的半径，系统的能量以及电子的速度，我接下来给你们展示解法。
Earth is the only one of the inner planets with a large satellite, the orbit of which is neither in the equatorial plane of Earth nor in the plane in which the other planets lie.
地球是内行星中唯一一个有大卫星的，它的轨道既不在地球的赤道平面上，也不在其他行星所在的平面上。
A carrier rocket reaches the orbit in 8 minutes after launching.
一运载火箭在发射后八分钟进入轨道。
When you see a planet by a transit, the orbit has to be in your line of sight.
当你通过经纬仪看到行星，其轨道应该在你的视线中。
- not the radius of the donor — you know the radius of the orbit, and you know the period.
而是轨道的半径-，你知道了周期，现在情况是。
In this case, the orbit of the rotating asteroid will very slowly spiral in toward the sun.
在这样的情况下，旋转小行星的运行轨道将非常缓慢地向朝着太阳的方向盘旋。
And in the case of a star like the sun, it could do so all the way out to the orbit of Saturn.
如果有像太阳那样的一颗恒星，这完全可以在土星的轨道上行得通。
While users save time and effort, Baidu keeps them in the orbit of its advertisers for longer.
在帮助用户省时省力的同时，百度能够让用户在其广告客户提供的内容中停留更长时间。
The orbit of the brown dwarf is huge, about 2, 500 times the distance between Earth and the sun.
这颗褐矮星的运行轨道相当庞大，大约是地球到太阳距离的2500倍。
And we ask it to prepare the toss again, and it goes through its numerical calculations of the orbit.
让它再次演示，它会计算，轨道的，数值计算。
They were searching for Vulcan, a putative planet inside the orbit of Mercury, by looking for its transits.
他们通过寻找凌日来寻找水星轨道内的一个假定的行星伏尔甘。
The satellite traveling in the orbit is always escaping from the earth only to be pulled back by gravity.
在轨道上运行的卫星总是要飞离地球，而结果总是被地心引力拉回来。
Indeed, who would refuse a chance to rise up to the stars and have a look at our Planet Earth from the orbit?
的确，谁又会拒绝这样一次升上星空，从轨道俯瞰我们地球的机会呢？
The sun will then become what's called a red giant, and its radius will reach just past the orbit of Venus.
太阳就变成了所谓哦红巨星，它的半径将会达到以前金星的运行轨道。
The parameters of the orbit are perfectly normal. …… The cosmonauts are feeling well," said Russian flight director after the launch.
俄飞行指挥专家在发射后后不久说：“他们飞行正常，轨道各项指数也相当正常……宇航员感觉良好。”
"With this we can control both the orbit and the attitude using only sunlight," says Yuichi Tsuda of the Japan Aerospace Exploration Agency.
日本宇宙开发机构的津田雄一说：“借助智能玻璃，我们只要利用太阳光就可既控制飞行轨道又控制飞行姿态。”
Voyager 2 and Pioneer 11, both also well beyond the orbit of Pluto, are 14.2 billion and 12.4 billion kilometers from the Sun respectively.
航行者2号和先驱者11号也都超越了冥王星轨道，分别离太阳有142亿和124亿千米。
They were started by slow and subtle shifts in the orbit of the Earth that changed the amount and distribution of radiation reaching us from the sun.
地球轨道缓慢而微弱的变化改变了阳光照射我们的数量和辐射的分布，从而引发了这些变化。
That means you can get the speed of the neutron star, you can get the radius of the orbit, and you can get the period, just like we discussed before.
中子星的速率,得到轨道的半径，得到周期的大小，如之前讨论过的那样，现在取一个光学的。
The New Year is based on an arbitrary time, in the orbit of theplanet we happen to live on, which is statistically likely to be one ofmany we could’ve inhabited.
新年其实是个随意的时间，它基于我们生活的这个星球的轨道运行，有很多可能性。
Their theory was that the orbit of this star every 26 million years moved into an area called the Oort cloud and dislodged comets that then pounded the earth.
他们的理论是，这颗星星的轨道每隔2600万年都会进入奥尔特星云所在的区域，从而激发该处的彗星冲击到地球上。
Ok, so that's an interesting law because it tells you, once you know what the orbit of the planet looks like, it tells you how fast it's going to move on that orbit.
这是个很有趣的定律，因为它告诉你们行星运动的轨迹，也告诉你们它在轨迹运动的速度快慢。
The space station is in no danger of entering the main debris clouds because it is orbiting just 220 miles above Earth, or 271 miles below the orbit of the collision.
由于国际空间站距离地面只有220英里，且位于卫星相撞轨道下方271英里处，因此主碎片云进入国际空间站的机率很小。
The orbit of the earth around the sun is eccentric because the orbit is slightly elliptical and so has effectively has two centres (neither of them the centre of the sun).
地球环绕太阳的公转轨道是偏心的，这是因为地球的公转轨道稍微呈椭圆形，所以这个轨道实际上就有两个中心（这两个中心都不与太阳的中心重合）。
A new survey of the Kuiper belt - the distant area of the solar system beyond the orbit of Neptune - has turned up three new icy worlds that may be dwarf planets like Pluto.
一项对柯伊伯带-太阳系学海王星轨道之外的远距区域的调查，找到了三个新的冰封世界，可能像冥王星那样的矮星。
The new model, which tracks thousands of tiny particles beyond the orbit of Neptune, could help astronomers work out the properties of planets in other stars' dust disks.
这个新模型追踪了海王星轨道外数无数个微小物体的运行轨迹，它可以帮助天文学家计算出其他星系尘埃盘中行星的特性。
The new model, which tracks thousands of tiny particles beyond the orbit of Neptune, could help astronomers work out the properties of planets in other stars' dust disks.
这个新模型追踪了海王星轨道外数无数个微小物体的运行轨迹，它可以帮助天文学家计算出其他星系尘埃盘中行星的特性。
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