So I look up the distance — - the mean distance to these various planets — and you see that here in millions of kilometers.
我帮你们查阅了一下-，各大行星到太阳的平均距离-，单位是百万千米。
The most fascinating thing about your travels through the galaxy hasn't been the various planets you have visited; instead it is simply the view through the window of your spaceship.
在银河系航行当中最激动人心的地方不是你到访过的行星，而是那透过飞船舷窗中所看到的景色。
Massive projectiles striking much larger bodies create various kinds of craters, including multi-ring basins—the largest geologic features observed on planets and moons.
巨大的抛射物撞击更大的天体，创造了各种各样的陨石坑，包括多环盆地——这是在行星和卫星上观察到的最大的地质特征。
Massive projectiles striking much larger bodies create various kinds of craters, including "multi-ring basins"—the largest geologic features observed on planets and moons.
大量的抛射物撞击更大的天体，形成各种各样的陨石坑，包括“多环盆地”——在行星和卫星上观察到的最大的地质特征。
This montage of photos, taken by various NASA spacecraft, shows the order of planets in the solar system.
这张蒙太奇照片，由各种美国宇航局飞船所获得的多种照片构成，它显示了太阳系行星的次秩。
Out of the millions of planets that are inhabited by various civilizations, most of them are hosting many species of animals.
在数以百万计各种文明栖住的星球上，大多数都容纳有许多各类动物。
UFO sightings have been reported throughout recorded history and in various parts of the world, raising questions about life on other planets and whether extraterrestrials have visited Earth.
在全世界各地不同时期都有ufo目击的报告，引起人们关于外星生命以及地外生命是否访问过地球的争论。
Examples are ionospheres of the Earth and other planets, stellar atmospheres, gaseous discharges for use in various devices and processes, and fusion plasmas in the edge region.
例子在离子层的这地球和其他行星，星体，气体排出物供各种各样设备和过程使用，以及在边缘地区的熔化等离子。
Astronomers % are involved in the observation, analysis and research of various astronomical phenomena, such as the movements of celestial bodies like moons, planets, stars and galaxies.
天文学家的工作涉及到观察、分析以及研究各种各样的天文现象，比如月亮、行星、恒星、银河等天体的运动。
That plethora allows astronomers to start drawing conclusions about how common various sorts of planets are.
大量的行星使天文学家开始得出行星种类繁多的结论。
Astronomers are involved in the observation, analysis and research of various astronomical phenomena, such as the movements of celestial bodies like moons, planets, stars and galaxies.
天文学家的工作涉及到观察、分析以及研究各种各样的天文现象，比如月亮、行星、恒星、银河等天体的运动。
Astronomers o are involved in the observation, analysis and research of various astronomical phenomena, such as the movements of celestial bodies like moons, planets, stars and galaxies.
天文学家的工作涉及到观察、分析以及研究各种各样的天文现象，比如月亮、行星、恒星、银河等天体的运动。
What happened was similar to the fall of the Roman Empire - no longer united the various colonies and planets become isolated.
先祖的衰败就像罗马帝国的衰亡一样——众多的行星与殖民地不再团结，而是相互孤立起来。
What happened was similar to the fall of the Roman Empire - no longer united the various colonies and planets become isolated.
先祖的衰败就像罗马帝国的衰亡一样——众多的行星与殖民地不再团结，而是相互孤立起来。
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