Long long ago, we knew the periodic motion of a planet.

很久以前, 我们就知道行星的周期运动。

Small meteorites have left impact craters all over the planet’s surface.

这个行星的表面布满了小块陨石留下的撞击坑。

The ability to do this will be necessary in future flights to distant planets.

"在将来向遥远的行星飞行的时候,需要这样的能力。"

The exoplanet's atmosphere condenses out minerals such as enstatite, corundum, spinel, and wollastonite.

这颗系外行星的大气冷凝后产生矿物，如：顽火辉石、刚玉、尖晶石和硅灰石。

Pluto is the furthest planet from the sun.

冥王星是离远的行星。

Neptune is the furthest planet from the sun.

海王星是离远的行星。

Mars, Venus and the other planets move in eccentric orbits.

火星、金星及其他行星沿不正圆的轨道运行。

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星系的西部边缘地的行星上。

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的居民乘“空探测器”到达Baya-Kara-Ula山脉的故事。

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“多孔球陨石”的行星尘埃颗（IDPs）到了较多的半挥发性元素。

Lensman. E.E. "Doc" Smith. Classic space opera with pure-as-Boy-Scout heros and unrelentingly evil bad guys fighting for control of planet-squishing "doomsday devices."

透镜人》（科幻）——E.E.·史密斯"博士"经典的空歌剧，讲述了男童子军般纯朴的英雄和无情的邪恶坏蛋为潮湿行星的“世界末日装置”的控制而战斗。

Indeed, the emerging synthesis explains why most of the inner planets are ringless: they lack large retinues of satellites to provide ring material.

透过逐渐浮现的综合观点，我们就可以解释为什麽内圈的行星没有环：它们缺少够份量的随伴卫星以提供行星环材料。

NEVER cheer for the coup until the countercoup has failed. Though Pluto has officially lost its lofty title of “planet”, a rebellion against its demotion is brewing.

千万不要因为一时的得势而得意忘形。尽管冥王星正式失去了它行星的高级头衔，但是反对这一降级的行动正在酝酿之。

A new type of composite CVT( Continuously Variable Transmission) systems, based on dual-mode power-split planetary gear set, is of improved efficiency, power transmutability and speed variable range.

基于正反双向分汇流行星排组的一类新型复合无级变速器系统具有效率高、率容量与速比变化范围大等特点。

Object displays various pattern, if superficial, or geometry being hit by the planet and the fixed star in anthodium , snowflake , shell helix or sky in animal skin , leaf or bark arranges middle.

谢谢了，摘要如下自然是“被设计的”，这一猜想可以为事实证明。事物呈现出各种图案，如在动物皮、树叶或树皮的表面上，或在头状花序、雪花、壳的螺旋或天空行星和恒星的几何排列。