Asteroids,also known as “minor planets”,are numerous in the outer space.
行,亦称为“型行”,在外太空中不计其数。
We cannot presume the existence of life on other planets.
我们不能推定其他行上没有生物。
Pluto is the furthest planet from the sun.
冥王是离太阳最远的行。
Neptune is the furthest planet from the sun.
海王是离太阳最远的行。
The planets move around the sun in ellipses.
各行围绕太阳按椭圆形转。
With Tirol before it, the motley battlewagon went on combat alert.
在泰洛行围,各种战舰处于战斗警戒状态。
Long long ago, we knew the periodic motion of a planet.
很久以前, 我们就知道行的动。
Small meteorites have left impact craters all over the planet’s surface.
这个行的表面布满了块陨石留下的撞击坑。
Mars, Venus and the other planets move in eccentric orbits.
火、其他行沿不正圆的轨道行。
By gravitation the sun and planets act and react upon one another.
太阳与行通过引力发挥作用并相互影响。
Travel through space to other planets interests many people today.
现在很多人对去宇宙中其它行旅行感兴趣。
Is there life on other planets?
在其他行上有生命吗?
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的新型传动机构-行齿环传动。
The ability to do this will be necessary in future flights to distant planets.
"在将来向遥远的行飞行的时候,需要这样的能力。"
The exoplanet's atmosphere condenses out minerals such as enstatite, corundum, spinel, and wollastonite.
这颗系外行的大气冷凝后产生矿物,如:顽火辉石、刚玉、尖晶石和硅灰石。
The Salamanders Chapter hails from a binary planetary system in the western reaches of the Ultima Segmentum.
火蜥蜴军团的家园位于极限系的西部边缘地带的行上。
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行到最扇面之内的大会合。
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”的行尘埃颗粒(IDPs)中见到了较多的半挥发性元素。
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产生的热加起来,仍无法使行熔化。
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的居民乘“太空探测器”到达Baya-Kara-Ula山脉的故事。
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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.
太阳有许多行星和小行星。
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。
Asteroids orbit the sun but are much smaller than planets.
小行星绕太阳运行,但行星小得多。
Meteors and asteroids collide with this planet fairly frequently.
流星,小行星和这颗行星的碰撞相当频繁。
Closer in the asteroid belt, these are rocks not gas.
小行星靠近小行星带,它们是岩石体。
The planets examined in the study are called exoplanets.
这项研究中检测的行星被称为系外行星。
That knowledge could help them better understand asteroids and other planets.
这种知识将帮助他们更好地了解小行星和其他行星。
These disks are the remnants of planetary formation.
这些圆盘是行星形成的剩余物质.
Next up, though, could an asteroid ever become a disasteroid?
接下来,一颗小行星会变成一颗小行星吗?
An exoplanet is a planet that orbits a star outside our solar system.
系外行星是绕太阳系外的恒星运行的行星。
Asteroids and comets are objects that obey our sun, but are smaller than planets.
小行星和彗星是服从太阳的物体,但行星小。
A NASA space telescope has discovered an eighth planet circling around a distant star.
美国宇航局望远镜观测到绕某颗遥远行星的第八颗行星。
Earth and a few other planets have asteroids just like this.
地球和其他一些行星也有类似的小行星。
Mars is a planet of outsized splendor.
火星是一个拥有惊人光辉的行星。
Venus is the brightest planet in the sky.
金星是天空最亮的行星。
The heavier the planet, the slower time beats.
行星越重,时间跳动越慢。
Asteroids are also called minor planets, objects that orbit the sun but are neither planets nor comets.
小行星也称为较小行星,其绕太阳公转,但既不属于行星也不属于彗星。
Along with that, what we now know as planets, comets and asteroids formed.
与此同时,那些现在被我们称为行星、 彗星和小行星的天体也形成了。
He might call it, for example, " Asteroid 325."
例如把它称作“325小行星”。
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