1.
On the Precision of Planetary Computations in the Northern Song Dynasty--The Case of Superior Planets in the Jiyuan Li
北宋的行星计算精度——以《纪元历》外行星计算为例
2.
Most of the exoplanets discovered so far are much closer to their host stars than the ice line.
至今所发现的系外行星中，大多行星同主星的距离小于冰线。
3.
Saturn is one of the giant outer planets of our solar system.
土星是太阳系里一颗巨大的外行星之一。
4.
Yet there are fundamental differences between these two outer-planet missions.
但是这两次外行星任务有重大的差异。
5.
They are the first cirrus clouds seen on an outer planet.
它们是首次在外行星上发现的卷云。
6.
The position of the superior planet or the moon in this configuration.
（此种情况下）外行星的位置，月球的位置
7.
Indeed, it was they who started the whole thing off12 years ago.
而系外行星也只是存在于科幻小说。
8.
will image extrasolar planets and take spectra of their atmospheres,
就会描摹出太阳系外行星的情形，摄取行星大气层的光谱，
9.
Additionally, there are Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto.
此外，水星、星、星、星、星、王星、王星、王星这些行星也影响着我们的日常生活。
10.
external planetary arrangement
外啮双排行星齿轮机构
11.
Mars and Jupiter are the closest in of the superior planets.
火星和木星是最靠近地球轨道外侧的行星。
12.
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。
13.
The outermost solid layer of a planet or moon.
外壳行星或月亮最外面的固态层
14.
The outermost region of a planet's atmosphere.
外大气圈行星大气层的最外部
15.
It is the least dense planet, except possibly for Pluto.
也许除了冥王星外，它是密度最小的行星了。
16.
and the outer planets have temperatures,
除此以外，太阳系的其他行星的温度,
17.
On Friday afternoon I will have a talk with the foreigners.
星期五下午我将和外宾进行座谈。
18.
Dad! Jenny's having a sleep-over Saturday night.
爸，珍妮打算星期六进行一次外宿。