1.
The smaller Rocky worlds are Mercury, Venus, Earth and Mars. The four huge gas planets are Jupiter, Saturn, Uranus and Neptune.
类地行星是水星、星、球和火星。四类木行星木星、星、王星和海王星。
2.
The brightest or main star in a constellation.
主星，阿尔法星星座中最亮的星或主星。
3.
A cluster of stars smaller than a constellation.
星群，星座比星座小的一簇星星
4.
Of, relating to, emanating from, or resembling the stars.
星的星的，关于星的，星芒的，似星的
5.
Thursday, Wednesday, Tuesday,
星期四，星期三，星期二，
6.
Thursday, Friday, Saturday,
星期四，星期五，星期六，
7.
On Tuesday, Thursday and Friday.
星期二，星期四和星期五。
8.
Twinkle, twinkle, little star
闪烁，闪烁，小星星。
9.
The planets of our solar system are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.
我们太阳系的行星有水星、金星、地球、火星、木星、土星、天王星、海王星。
10.
a star of the first, second, etc magnitude
一等星、 二等星.
11.
south following star
东南星 -目视双星
12.
north following star
东北星 -目视双星
13.
Star Hotel. Good morning.
星星宾馆。早上好。
14.
By a humble spark a town is set on fire .
星星之火，可焚城。
15.
The classical planets are: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.
这八颗经典行星分别是：水星、金星、火星、木星、土星、天王星和海王星。
16.
The satellite of Jupiter that is second in distance from the planet.
梅第星距离木星第二远的木星卫星
17.
The satellite of Saturn that is closest to the planet.
泰坦星距离土星最近的土星卫星
18.
The planet Venus in its appearance as the evening star.
昏星，长庚星傍晚时出现的行星金星