We can find the mass of the earth.
我们能够求出地球的质量。
So now I will put in the mass of the Earth here.
这样我就又考虑，到了地球的质量。
One, known as the geodetic effect, is the amount by which the mass of the Earth will.
一方面，大家都知道的测量效应，探测器接近受地球质量影响的局部时空。
You substitute in there the mass of the Earth, which is six times 10 to the 24 kilograms.
这里用,地球的重力替代，≈6乘以10的24次方。
Well, that's completely trivial, you would say, because it is one-half * of the mass of the Earth times the orbital speed squared.
也许你会说，这是，完全没有意义的,它等于1/2m地,轨道速度的平方。
Well, the earth is going to fall towards the apple — So the force on the earth is the mass of the earth times the acceleration of the earth.
地球也会坠向苹果-，因此地球上的力与地球的质量相等，再乘以地球的加速度。
But you could have said "Well, let's not take the acceleration of the Earth, but let's take the mass of the Earth itself Very reasonable, right?
我还可以这样说,“不取地球的,加速度，取地球的质量会怎么样,也很合理，是吧？
They say they have strong evidence for another planet in the same system that has about eight times the mass of the Earth and orbits every 84 days.
他们说他们有足够证据证明在同样系统内还有一个行星，体积为地球的8倍，运转周期为84天。
If you take the Earth itself around the sun because we can use all these equations replace the mass of the Earth by the mass of the sun, and then we can do this for planets.
如果你算地球绕太阳，因为我们用所有这些，等式，以太阳质量，代替地球质量，然后我们再用行星做。
Dr Marcy suspects that his new discovery, which has about 45 times the mass of the Earth, is composed of a rocky core surrounded by a thick envelope of hydrogen and helium gas.
马西博士怀疑，他的这个拥有地球质量四十五倍的新发现星体有一个岩层核心构成，并被一层很厚实的氢气与氦气层笼罩。
Newton proved his idea by measuring how much gravity force would be needed to keep the moon orbiting the Earth. Then he measured the mass of the Earth and the moon, and the distance between them.
牛顿要通过测量月球按轨道围绕地球运转需要多大的力量，来证明他的理论，于是，他测量月球和地球的质量，以及他们之间的距离。
The largest terrestrial planet, Earth has a diameter only one quarter as great as the diameter of the smallest Jovian planet, Neptune, and its mass is only one seventeenth as great.
最大的类地行星地球的直径仅仅是最小的类木行星海王星的四分之一，而且地球的质量仅仅是其质量的十七分之一。
Six years of observations revealed the presence of five planets between 13 and 25 times the mass of Earth.
经过长达六年的观测，发现有五颗行星的质量是地球的13-25倍。
Scientists have linked the mass extinction at the end of the Cretaceous with a meteorite impact on Earth.
科学家将白垩纪末期的大灭绝与地球上的陨石撞击联系起来。
The exoplanet is a few times the mass of Earth, but it should still be small enough to be rocky rather than a gas giant like Jupiter.
这个系外行星的质量是地球的几倍，但是它足够小，能够由岩石构成，而不是像木星是一团巨大的气体。
The first is a pair of planets, each about the mass of Jupiter, that whirl around their home star 15 light years from Earth in perfect lockstep.
第一个是一对质量与木星差不多的行星，这对行星步调一致地围绕距离地球15光年的母恒星旋转。
Six years of observations revealed the presence of five planets between 13 and 25 times the mass of Earth, or about the mass of Neptune, that orbit the parent star once every 6 to 600 days.
经过长达六年的观察，科学家发现有五颗行星的质量是地球的13-25倍，或者说，与海王星的质量差不多，它们围绕恒星的旋转周期在6到600天之间。
If a rocky planet is big enough - say, 10 times the mass of Earth - it can vacuum up so much hydrogen that its atmosphere ends up constituting most of the planet.
如果一个由岩石组成的行星足够的大——比方说，质量是地球的10倍——它可以吸收如此多的氢，以至于他的大气层最终会形成大部分的行星。
The cable would connect with some point on Earth located at the equator, and would allow mass to be transferred to orbit using electricity instead of rocket fuel.
该电缆将连接一些位于地球赤道上的点，这将允许群众被运送到到轨道使用电来代替火箭燃料。
It is about 8 times the mass of Earth, and located in an orbit just right for liquid water to exist on the surface.
它大概是地球质量的8倍而且它所在的轨道恰好有益于在其表面有液态水的存在。
A fourth object, which has more than ten times the mass of Earth and is the nearest to the star yet found, was noticed by another team in 2004.
第四颗行星被另一个科研小组于2004年发现，它有着地球十倍的质量，而且是与那颗已知恒星距离最近的。
All the gravity of all the mass in the cosmos should have been pulling the universe back inward, just as gravity pulls a ball back down to Earth after it's been thrown into the air.
宇宙中每一物体的每个引力都会对宇宙产生一个指向物体本身的拉力，就像在重力作用下，抛向空中的球会被拉回地面。
In one simulation, a planet with the mass of Neptune situated in the habitable zone of a star - not too hot, not too cold - was given a moon the size of Earth.
在一种模拟的情景中，一个与天王星大小差不多的行星处在一个星球的可栖居的地带，不冷不热，并且周围有一个地球大小的恒星。
During the breeding season South Georgia hosts the densest mass of Marine mammals on Earth.
在繁殖季节，南乔治亚成为地球上海洋哺乳动物最密集的群体栖息地。
It holds 99.8 percent of the solar system's mass and is roughly 109 times the diameter of the Earth -about one million Earths could fit inside the sun.
太阳的质量占太阳系总质量的99.8%，其直径大约为地球的109倍，差不多一百万个地球才能填满一个太阳。
It holds 99.8 percent of the solar system's mass and is roughly 109 times the diameter of the Earth - about one million Earths could fit inside the sun.
太阳的质量占太阳系总质量的99.8%，其直径大约为地球的109倍，差不多一百万个地球才能填满一个太阳。
You can think of the Earth acting on a mass or you can think of the sun acting on a planet, whichever you prefer, but that's what I want to deal with when the distances are now very large.
你可以想一下地球,对一个物体的作用或,太有对行星的作用，不管你喜欢哪个，我想要的效果就是,二者的距离,非常的大。
And we believe it's going to be 26 different components that will hit the surface of the Earth somewhere, with a total mass a little over 500 kilograms.
并且我们认为将要有26中不同的成分将要撞击到地球上的某处，重量总计略高于500千克。
The earthquake also shifted the so-called figure axis of the earth, which is the axis that the earth's mass is balanced around.
地震也改变了地球的几何中轴线，中轴的周围地球的重量是平衡的。
The earthquake also shifted the so-called figure axis of the earth, which is the axis that the earth's mass is balanced around.
地震也改变了地球的几何中轴线，中轴的周围地球的重量是平衡的。
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