土星是太阳系的第二大的行星。
土星之后的下一颗行星是天王星。
我们飞往土星的飞行似乎会有一点延迟。
It seems like our flight to Saturn will be a little delayed.
尽管如此，土星仍然在黄道平面向东更远的地方发光。
Saturn still shines in the night though, farther eastward along the ecliptic plane.
在300多年的时间里，我们一直认为土星是太阳系唯一拥有光环的天体。
For more than 300 years, we thought Saturn was the only body in the solar system with rings.
尽管金星和水星没有卫星，火星却有两个卫星，更别提各有超过60个卫星的土星和木星。
While Venus and Mercury have no moons, Mars has two, while Saturn and Jupiter have more than 60 each.
木星、土星、天王星和海王星。这些都是气体行星，是太阳系的四个重量级。但曾经存在第五个行星吗？
Jupiter, Saturn, Uranus, and Neptune. Those are the gas giants, the four heavyweights of the solar system. But was there once a fifth?
水星、金星、地球、火星、木星和土星的轨道恰好符合这种模式；1781年发现的天王星也同样符合该定律。
The orbits of Mercury, Venus, Earth, Mars, Jupiter and Saturn fit neatly into this pattern; Uranus, discovered in 1781, also obeyed the law.
按照它们与太阳的距离排列，这些行星分别是水星、金星、地球、火星、木星、土星、天王星、海王星和冥王星。
The planets, in order of their distance from the Sun, are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto.
穿过小行星带继续前进，我们进入了气体巨行星区域：木星、土星、天王星、海王星，所有这些都使地球看起来像个侏儒。
Moving on through the asteroid belt we enter the realms of the gas giant planets: Jupiter, Saturn, Uranus, and Neptune, all of which dwarf the Earth.
1977年发射的“旅行者一号”太空探测器发回了木星和土星的壮观图像，然后飞出太阳系，执行前往恒星的单程任务。
The space probe, Voyager I, launched in 1977, had sent back spectacular images of Jupiter and Saturn and then soared out of the Solar System on a one-way mission to the stars.
土星的密度只有水的0.7倍，也就是说土星可以浮在水上。
Saturn has a density of only 0.7 that of water, which means that Saturn would float in water.
之后是气态巨星，木星和土星。
木星，土星，天王星和海王星。
水瓶座的守护星是土星和天王星。
当时卡西尼号是在前往土星的途中。
土星的这颗卫星发生了什么？
为什么土星的光环如此壮观？
更后面，几条复杂的土星环横贯画面。
Further back, several of the complex rings of Saturn can be seen crossing the image horizontally.
水星在射手座，土星衰落。
400年前，伽利略首先发现了土星环。
土星环是由冰和尘埃构成。
Titan是土星的卫星。
可能被土星吞噬了。
土星上比较黑暗的区域显示出最强烈的热辐射。
The darker areas within Saturn show the strongest thermal radiation.
太阳统治着你的关系，同时土星也是你的守护星。
The Sun is your relationship ruler, while Saturn is your overall ruling planet.
太阳统治着你的关系，同时土星也是你的守护星。
The Sun is your relationship ruler, while Saturn is your overall ruling planet.
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