The new planet is about ten times the size of the earth.
这个新发现的行星大约是地球大小的10倍。
The size of the Earth would become bigger.
地球的面积将会变得更大。
The moon is one-third the size of the earth.
月亮是地球的三分之一那么大。
The moon is about one-fourth the size of the Earth in diameter.
月球的直径大约是地球的四分之一。
It has been designed to spot exoplanets bigger than twice the size of the Earth.
这艘太空船是用以捕捉体积在地球两倍以上的系外行星的踪影。
White dwarfs compact much of the mass of the stars into a volume the size of the earth.
白矮星将其大部分质量紧密地聚集在相当地球大小的范围内。
So, even though we were all awesome, compared to the size of the earth, we are not much.
所以，即使我们再厉害，比起地球的大小我们也没有多少。
In recent years, the artificial earth satellite measured the size of the earth more precise.
近年来，由人造地球卫星测得的地球大小更为精确。
The first measurement of the size of the earth is the ancient Greek astronomers, Ella characteristics.
最早测量地球大小的是古希腊天文学家埃拉特色尼。
Enlarge an atom to the size of the earth. The nucleus in it would be only about as big as a basket ball.
假如把一个原子放大到地球那么大，他的核子也只不过一个篮球那么大。
The Greeks had a fair idea of the size of the Earth and the distance to the moon, and so did the medievals who read their work.
希腊人对地球的大小和地月距离有所了解。中世纪的人熟读希腊人的书，同样也获得了这样的知识。
First of all, if we compare the moon with the earth, we find that the moon is much smaller. It is about one-quarter the size of the earth.
首先，如果我们把月球和地球相比较的话，我们发现月球小多了，大约相当于地球的四分之一。
According to the giant-impact hypothesis, the Moon was created during a collision between Earth and a large object about the size of Mars.
根据“巨型撞击假说”，月球是在地球和一个火星大小的物体相撞时形成的。
Viewed from Earth, NGC 6744 is about two-thirds the size of a full moon, but it's so faint you can't see it without a backyard telescope.
从地球上看，NGC 6744的大小差不多等于三分之二个满月。可惜的是，由于太过昏暗，我们惟有通过后院式望远镜才能观测到它。
How did animals the size of a goat evolve into the largest creatures on Earth?
山羊般大小的动物是如何进化成地球上最大的生物的？
If Earth was the size of a basketball, all of its water would fit into a ping pong ball.
如果地球是一个篮球大小，就可以所有的水可以注进一个乒乓球。
On average, a crater the size of Boltysh or bigger should hit Earth once every million years or so.
平均而言，类似于博提施陨石坑规模或更大一些的撞击地球事件的发生频率是百万年左右。
Evidence could include changes in the chemical composition of the asteroid, the size distribution of debris surrounding it, or other thermal changes that could be detected from Earth.
证据包括从地球可探测到的小行星的化学组成、周围碎屑颗粒分布、或者温度方面的改变。
Lindley Johnson, head of the near-Earth object program at NASA headquarters in Washington, D.C., says an asteroid the size of a football field could wipe out a major city.
在华盛顿的美国宇航局总部的近地天体计划负责人林德利-约翰逊说，如果一颗足球场大小的小行星撞上了地球，其威力可以毁灭一座大型城市。
But if Earth is reduced to the size of a bacteria, and inspected under high-powered optics, would it seem stranger than a virus?
但是，假如将地球缩成细菌大小，放在高倍显微镜下观察，它能比病毒更奇怪吗？
Hamad constructed a motor home in the shape of a giant globe which is exactly 1 millionth the size of the actual earth.
此外，他还制造了一个地球形状的汽车房屋，大小正好占地球体积的百万分之一。
Mars is nearly half the size of Earth but around one tenth the mass.
火星大小几乎是地球的一半质量是地球的1/10.
The newly discovered type of snake, named Titanoboa in honour of its immense size, was for 10 million years the largest land predator on earth.
这种新发现的蛇被命名为泰坦巨蟒以纪念其巨大的尺寸，它是1000万年来地球上最大的陆地肉食动物。
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。
An object about the size of mars-half the size of earth-slammed into our planet very early in its formation, the theory says.
这个理论认为，在早期的时候，地球曾经被一颗火星般大小(相当于地球体积的一半)的行星撞击。
This is more quickly than Earth formed and would explain the small size of Mars.
这远比地球形成要快，并且能解释为什么火星体积那么小的原因。
This is the first time, however, that astronomers have been able to analyze the atmosphere of an Earth-size planet.
然而天文学家们首次观察就能分析出这颗地球般大小的行星的大气成分。
This is the first time, however, that astronomers have been able to analyze the atmosphere of an Earth-size planet.
然而天文学家们首次观察就能分析出这颗地球般大小的行星的大气成分。
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