How many moons does Jupiter have?
木星有多少颗卫星？
Jupiter, Saturn, Uranus and Neptune.
木星，土星，天王星和海王星。
Europa and Ganymede are moons of Jupiter.
Europa和Ganymede是木星的卫星。
Then come the gas giants, Jupiter and Saturn.
之后是气态巨星，木星和土星。
That's slightly further out than Jupiter lies from our sun.
这要比木星距离太阳的距离稍远些。
Jupiter has the distinction of being the largest planet.
木星的特点在于它是太阳系中最大的行星。
The Jupiter Island mega-mansion isn't the only Woods property.
朱庇特岛豪宅并不是伍兹名下的唯一房产。
By comparison, Jupiter is one-billionth the brightness of our sun.
作为对比，木星的亮度也只有我们的太阳的十亿分之一。
The radio signals take 48 minutes to travel from Jupiter to Earth.
无线电信号要用48分钟时间才能从木星抵达地球。
Juno will be the first craft to orbit Jupiter in more than a decade.
朱诺号将成为十多年来第一个进入木星轨道的航天器。
They are the most detailed global color maps of Jupiter ever produced.
这些照片是有史以来所拍摄到的最为详细的木星彩色地图。
One place scientists are studying very closely is Europa, a moon of Jupiter.
科学家们正在仔细研究木卫二，它是木星的卫星。
It's definitely not a gas giant like Jupiter. Nor is it habitable—it's too hot.
它肯定不是像木星一样的巨型气体行星，也不适宜人类居住——那太热了。
A large planet, like Jupiter or Neptune, that is composed largely of gaseous material.
气体巨行星是像木星或海王星一类包含大量的气体物质的大的行星。
Jupiter is so big that only part of its Southern Hemisphere can be seen in this image.
木星的个头大到——在这幅图像中我们只能看到它南半球的部分画面。
The Hubble observations allow for the planet's mass to be estimated at 2.6 Jupiter masses.
哈勃的观测也使得那颗行星的质量得到确定，据估计是木星质量的2.6倍。
The following day, May 27, there will be an exceedingly rare meeting of Jupiter and Neptune.
接下来的日子，五月二十七日，木星与海王星罕见相会。
Like its bigger neighbor Jupiter, Saturn is a gas planet made mostly of hydrogen and helium.
就像比它更大的邻居-木星一样，土星也是气体行星，主要由氢和氦所组成。
However, unlike Jupiter, the terrestrial planets today are nearly void of light gases and ices.
然而，如今的类地行星与木星不同，几乎没有轻气体和冰。
The Earth's orbit actually does feel similar nudges from Jupiter, known as Milankovitch Cycles.
其实地球的轨道也受到木星的类似影响，该现象被称为米兰·科维奇旋回。
Liquid metallic hydrogen is thought to exist in the high-gravity interiors of Jupiter and Saturn.
人们认为，液态的金属化氢可以存在于大质量行星，如木星、土星等的内部。
Eight planets officially remain: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.
余下的八大行星为：水星、金星、地球、火星、木星、土星、天王星和海王星。
Can you see Jupiter tonight, in front of the arrowhead-shaped constellation Capricornus the Seagoat?
今晚你能看到木星吗，在箭头状星座摩羯座的前面？
While Venus and Mercury have no moons, Mars has two, while Saturn and Jupiter have more than 60 each.
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。
Explanation: In late September, two planets were opposite the Sun in Earth's sky, Jupiter and Uranus.
图片解释：九月下旬，由地球向星空望去，可见木星与天王星两颗行星冲日的天象。
Between the orbits of Mars and Jupiter lies the asteroid belt, which includes the dwarf planet Ceres.
在火星和木星的轨道间分布着小行星带，之中有一颗矮行星谷神星。
China plans to send unmanned probes to explore Mars and Jupiter by 2030, said a senior space official.
航天局一名高级官员称，中国计划在2030年前发射无人探测器探索火星和木星。
But there was a problem: Bode's law predicted that there ought to be a planet between Mars and Jupiter.
不过，问题出现了：波德定则预测，火星和木星之间还应有一颗行星。
Three, two, one, we have ignition and lift -off of Atlantis and the Galileo spacecraft bound for Jupiter!
我们已经将亚特兰蒂斯号（航天飞机）和伽利略号（探测器）点火发射送往木星。
Three, two, one, we have ignition and lift -off of Atlantis and the Galileo spacecraft bound for Jupiter!
我们已经将亚特兰蒂斯号（航天飞机）和伽利略号（探测器）点火发射送往木星。
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