太空望远镜拍下了有史以来最清晰的冥王星的照片。
The space telescope has taken the clearest pictures ever of Pluto.
天文学家们知道冥王星和海王卫一拥有几乎相同的体积、质量和密度。
Astronomers know that Pluto and Triton have nearly the same size, mass, and density.
这大约相当于从地球往返冥王星337次的距离。
That's about the same distance as 337 round trips from Earth to Pluto.
这不仅改变了我们对太阳系的认识，也使我们意识到向冥王星发射飞船的重要性。
This transformed our view not only of the solar system but also of the importance of sending a spacecraft to Pluto.
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.
冥王星不属于这两类，因为它离地球太远，体积又小，使得它的真正性质成为一个谜。
Pluto is not included in either category, because its great distance from Earth and its small size make this planet's true nature a mystery.
现在，冥王星可能是个矮行星，但是，亲爱的克莱德，在我书中你仍然是第一个发现行星的美国人。
Pluto may be a dwarf planet now, Clyde baby, but you're still the first American to discover a planet in my book.
你吸入的下一口空气有可能来自比冥王星更遥远的地方。
我们的地球和其他行星——水星、金星、火星、木星、土星、天王星、海王星、冥王星一起围绕着太阳旋转，构成所谓的太阳系。
Our planet Earth, together with other planets, Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto revolve around our Sun in what is called our Solar system.
冥王星该不该是颗行星？
唯一的另一个已知的以如此奇怪的角度运行的例子是冥王星，直到它降级为矮行星。
The only other known example of such an oddly angled orbit was Pluto, until its demotion to dwarf planet status.
行星变暖现象已被观测到，例如，火星、木星和冥王星都在变暖。
It has been observed, for instance that Mars, Jupiter and Pluto are all warming up.
现在归类于矮行星的冥王星是那么小，那么远，对天文学家来说，其表面一直是个谜。
Pluto, now classed as a dwarf planet, is so small and so distant that its surface has been a mystery to astronomers.
它曾一度被划归为行星，冰冷的冥王星目前被认为是我们太阳系的40多个矮行星之一。
Once classified as a true planet, icy Pluto is now considered one of the more than 40 dwarf planets in our solar system.
美国宇航局发布了哈勃太空望远镜拍摄的图像，显示了冥王星表面不寻常和多彩变化。
Nasa released images taken by the Hubble Space Telescope which revealed some unusual and colourful changes to the surface of Pluto.
所幸的是，冥王星会对经受住考验的人有所报偿，所以秋天时你会看到回报。
Thankfully Pluto rewards those who go through its ordeals, so there's something for you to look forward to in the fall.
它比冥王星更大，并且离太阳更远。
后来，这个行星被正式命名冥王星，在一个11岁的英国女孩的建议下。
Later that year the planet was officially named Pluto, on the suggestion of an 11-year-old British lass.
冥王星现在被认定为一颗处于柯伊伯带中的矮行星。
Pluto is now considered a dwarf planet dwelling in the Kuiper belt.
总体来说，以上所述的就是太阳系了——包括围绕主要行星们运转的卫星、数不胜数的小行星(包括冥王星)以及彗星。
For the main part, that's it for the solar system — including a whole host of satellites orbiting the main planets and countless minor planets (including Pluto) and comets.
新发现重新引起了高度关注，不仅关注着冥王星，也关注着对该不该夺走他在那冰冷世界里行星地位的争论。
The new finding brings renewed attention to Pluto, and to the controversial decision to strip the frigid world of its planet status.
实际上，特里同的大小和组成都和冥王星接近，说明两者起源相似。
Indeed, Triton is about the same size as Pluto and has a similar composition, suggesting a similar origin.
因此科学家准备用汤博发现冥王星那样的方法，发动人海战术，用肉眼搜寻那些移动的点。
So scientists say they could use plenty of eyes to help scan the pics for things that move-the same way Tombaugh first found Pluto.
顺便提一句，新地平线，四年前的一个星期二发射，预计2014年到达冥王星。
New Horizons, by the by, launched four years ago this past Tuesday, and is slated to arrive at Pluto in 2014.
据行星学家罗宾·卡纳普说，冥王星的所有三个卫星可以追溯回同一次撞击。
According to planetary scientist Robin Canup, all three of Pluto's satellites could trace back to a single impact.
2010年2月是美国天文学家克莱德·汤博发现冥王星的80周年纪念。
February of 2010 marks the 80th anniversary of the discovery of Pluto by American astronomer Clyde Tombaugh.
今年，冥王星进入双子的摩羯宫，对双子座而言，很多跟别人合作的事情会变的更靠谱。
With Pluto having moved on into Capricorn, a lot of the major partnership issues you've faced will be lightening up.
印有“冥王星是一颗行星”字样的T恤衫正在热卖。
当然，自从冥王星被官方从大行星降格为矮行星之后，这个项目也无法被称做对于行星前沿的探索。
Of course, after Pluto's official demotion from planet to dwarf planet, the mission can no longer claim to be exploring the final planet frontier.
当然，自从冥王星被官方从大行星降格为矮行星之后，这个项目也无法被称做对于行星前沿的探索。
Of course, after Pluto's official demotion from planet to dwarf planet, the mission can no longer claim to be exploring the final planet frontier.
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