这个理论假定其他行星存在生命。
其他行星上有生命吗？
新发现的这个天体的运行轨和任何其他行星的不同。
The newly discovered world followed an orbital path unlike that of any other planet.
最常见的一种说法是它们可能包含来自其他行星的访客。
The most popular one is that they may contain visitors from other planets.
月球的自转和倾斜在太阳系的其他行星体中是独一无二的。
The Moon's spin and tilt are unique among other planetary bodies in the solar system.
宇宙其他行星上存在生命的可能性一直激励着科学家探索外太空。
The possibility that there is life on other planets in the universe has always inspired scientists to explore the outer space.
阿利斯塔克从他的计算中认识到，太阳比地球和其他行星要大得多。
Aristarchus recognized from his calculations that the Sun was much larger than the Earth and other planets.
我们的行星地球，连同其他行星，围绕我们的太阳旋转，这就是我们的太阳系。
Our planet Earth, together with other planets, revolve around our Sun in what is called our Solar system.
我们太阳系的其他行星缺乏氧气大气层，这有助于解释为什么地球上存在生命。
Other planets in our solar system lack the oxygen atmosphere that helps explain why life exists on Earth.
其他行星上没有氧气，这意味着这些行星缺乏保护生命体免受紫外线辐射的臭氧层。
The absence of oxygen on other planets means that those planets lack an ozone shield to protect life forms against UV radiation.
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。
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.
在火星和我们太阳系的其他行星上没有氧气，这意味着这些行星也缺乏保护地表生物免受紫外线辐射的臭氧层。
The absence of an oxygen atmosphere on Mars and other planets in our solar system means that these planets also lack an ozone shield that would protect surface-dwelling life from UV radiation.
目标是测量AU；随后，当我们知道了所有围绕太阳的其他行星的轨道速度，对太阳系的规模就有充分的认识了。
The goal was to measure the AU; then, knowing the orbital speeds of all the other planets around the Sun, the scale of the Solar System would fall into place.
复杂的生命在地球表面进化，而不是在火星或太阳系的其他行星上，因为在那些行星上，早期的地表生命被紫外线杀死了。
Complex life evolved on the Earth's surface, but not on Mars or other planets in the solar system because on those planets, early surface life was killed by UV radiation.
火星上不同季节有不同的天气，但其他行星全年温度不变。
Mars has seasons with different weather, but other planets have the same temperatures all year round.
在我看来，虽然还没有发现，但在其他行星上一定存在生命。
In my opinion, there must be life on other planets though none has been discovered.
到2050年，地球上将人口过多，超过1亿人将生活在月球和其他行星上。
By 2050 there will be too many people on the earth and over 100 million people will be living on the moon and other planets.
科学家们已经发射了很多宇宙飞船去探索太阳系的其他行星。
Scientists have launched many spaceships to explore other planets in the solar system.
未来，我们可能会在月球上看到城市，甚至在其他行星上看到新的人类文化。
In the future, we might see cities on the moon or even new human cultures on other planets.
太空中有这么多恒星，我们是唯一的吗，或者太空中其他行星上存在生命吗？
With so many stars in space, are we alone, or is there life on other planets in space?
所以当时的看法是，那些黑点实际上是别的东西，比如其他行星经过太阳时留下的阴影。
So the opinion was the spots were actually something else, like shadows of planets crossing the Sun's face.
有一天人类能够征服其他行星。
我们正在着眼于其他行星和它们的光谱特征。
We are looking at other planets and their spectral signatures.
这就意味着月球可以充当一个去其他行星的中转站。
This means the moon can act as a stepping stone to other planets.
太阳、月亮和其他行星都以某种精准的模式围绕地球转动。
The sun, moon and other planets circled the Earth in a regular, perfect pattern.
首先出现的是太阳，不久之后其他行星陆续成形。
伦敦大学的研究者们最近也指出外星人有可能存在于多达40000颗其他行星上。
Researchers from the University of London have recently suggested that aliens could be living on as many as 40, 000 other planets.
“有充分的理由可以认定，同样的进程也会在其他行星，如木星和土星上发生”，德怀尔说。
"There's every reason to think the same processes are happening on other planets, such as Jupiter and Saturn," Dwyer said.
令人费解的是，二氧化碳理应像在其他行星那样成为大气的主要成分，却仅仅是一种示踪气体。
Carbon dioxide is inexplicably a mere trace gas when it should be the bulk of the air, as it is on other planets.
据说他们在试图寻找这样一个问题的答案，到底有没有具备智慧的生命生存在其他行星上？
They say they're trying to answer the question, 'is there intelligent life on other planets, and if there is, will they loan us money?'
应用推荐