The exoplanet's atmosphere condenses out minerals such as enstatite, corundum, spinel, and wollastonite.
颗系外行星大气冷凝后产生矿物，如：顽火辉石、刚玉、尖晶石和硅灰石。
The planets move around the sun in ellipses.
各行星围绕太阳按椭圆形运转。
Travel through space to other planets interests many people today.
现在很多人对去宇宙中其它行星旅行感兴趣。
A kind of new mechanical transmission-the planetary ringy gear transmission is introdueed.
提出了一种适用于无游梁抽油机新型传动机构-行星齿环传动。
The ability to do this will be necessary in future flights to distant planets.
"在将来向遥远行星飞行时候,需要能力。"
By gravitation the sun and planets act and react upon one another.
太阳与行星通引力发挥作用并相。
Asteroids,also known as “minor planets”,are numerous in the outer space.
小行星,亦称为“小型行星”,在外太空中不计其数。
With Tirol before it, the motley battlewagon went on combat alert.
在泰洛行星周围，各种战舰处于战斗警戒状态。
Small meteorites have left impact craters all over the planet’s surface.
个行星表面布满了小块陨石留下撞击坑。
Long long ago, we knew the periodic motion of a planet.
很久以前, 我们就知道行星周期运动。
Pluto is the furthest planet from the sun.
冥王星是离太阳最远行星。
Neptune is the furthest planet from the sun.
海王星是离太阳最远行星。
We cannot presume the existence of life on other planets.
我们不能推定其他行星上没有生物。
Mars, Venus and the other planets move in eccentric orbits.
火星、金星及其他行星沿不正圆轨道运行。
Is there life on other planets?
在其他行星上有生命吗?
The Salamanders Chapter hails from a binary planetary system in the western reaches of the Ultima Segmentum.
火蜥蜴军团家园位于极限星系西部边缘地带行星上。
It is 9 major planet run the great synodic period in the youngest covering of the fan 180 years.
一百八十年是九大行星运行到最小扇面之内大会合周期。
Some people have reported seeing more semivolatile elements in a class of interplanetary dust particles (IDPs) called “chondritic porous” IDPs.
曾有人报告在一类被称作“多孔球粒陨石”行星尘埃颗粒（IDPs）中见到了较多半挥发性元素。
The researchers concluded that the heat generated by the joint decay of 26Al and 60Fe could not have caused asteroidal melting.
研究人员认为铝26和铁60产生热加起来，仍无法使小行星熔化。
They told the story of a "space probe" by the inhabitants of another planet who came to the Baya-Kara-Ula mountain range.
他们述说了另外一颗行星居民乘“太空探测器”到达Baya-Kara-Ula山脉故事。
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Asteroids are also called minor planets, not to be confused with dwarf planets like Pluto.
小行星又被成为微型行星，不要把它和像冥王星这样的矮行星混淆了。
There were many planets and asteroids circling the sun.
太周围有许多行星和小行星。
None of the asteroids in our solar system look like that.
太的小行星也没有这种形状的。
The Smithsonian Institution says they were the first ever retrieved from another planetary body.
史学会天文台说，这是有史以来第一次从另一个行星体找到它们。
These disks are the remnants of planetary formation.
这些圆盘是行星形成的剩余物质.
There are nine planets in the solar system.
在太有九大行星。
But an asteroid zipped by us yesterday.
但是我们昨天同一颗小行星擦身而过。
Others appeared brighter at times and less bright at others.
而其他行星看上去有时亮些，有时又不怎么亮。
Mars is a planet of outsized splendor.
火星是一个拥有惊人光辉的行星。
In this case, an asteroid hitting the Earth.
在这个例子，坏事为一颗小行星撞击地球。
He might call it, for example, " Asteroid 325."
例如把它称作“325小行星”。
When it comes to Saturn, it's the rings that render the planet instantly recognizable.
说到土星，其光环令人们一眼就能认出这颗行星。
" Pluto is a cold, cold planet." That's what I meant.
" 冥王星是个冷冰冰的行星" 我是这个意思。
Neptune is one of the farthest planets of the solar system.
海王星是太最远的行星之一。
This gives the asteroid a small kick in the opposite direction.
这为小行星提供了反方向的微弱推进力。
As a planet, it's been called Tyche or simply Planet X.
它曾被当作行星命名为堤喀或者简单的X行星。
I actually told you how diverse exoplanets are.
我已经告诉过你们外行星的 种类有多么繁杂了。
Now researchers have identified rocky, asteroidlike material raining down on two white dwarfs.
如今，研究人员已经确定了如下雨般落在两颗白矮星上的多岩石的、类似于小行星的物质。
In 1997, they saw evidence of planets near other stars like the sun.
1997年，他们找到证据证明与太类似恒星附近有行星的存在。
It will not be we who reach Alpha Centuri and the other nearby stars.
我们这一代不会到达阿尔法星座的，或是任何它附近的行星。
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颗系外行星
大气冷凝后产生矿物，如：顽火辉石、刚玉、尖晶石和硅灰石。
英语(必修5) 
引力发挥作用并相
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学会天文台说，这是有史以来第一次从另一个
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