1.
New discoveries about Uranus excited planetary astronomers in 1977.
一九七七年对天王星的几项新发现振奋了行星天文学家。
2.
Planetary astronomy is no longer just one branch of astronomy, but has spilled over other fields.
行星天文学已不再是天文学的一个分支，而是与其他学科结合在一起了。
3.
The branch of astronomy that deals with the planets, satellites, and meteors of the solar system.
行星学天文学的一个分支，研究太阳系中的行星、卫星和流星
4.
Astronomers are no longer sure that Pluto should be considered a planet.
天文学家不再肯定冥王星应该被视为行星。
5.
Scanning the sky nightly, astronomers zoomed in on this pair of stars.
连夜观察星空，天文学家把这对行星放大观察。
6.
"Astronomically, it tells me that there are millions of galaxies and billions of planets.
"从天文学上讲，有无数个星系和成千上万颗行星。
7.
With the space telescope astronomers are able to study other space objects, in stars, comets, planets and other galaxies.
有了太空望远镜，天文学家就能对诸如恒星、彗星、行星和其他星系等宇宙天体进行研究。
8.
ANCIENT CHINESE PLANETARY ASTROLOGY
古代中国的行星星占学——天文学、形态学和社会学的初步考察
9.
Astronomers had been trying to explain the strange orbit of the seventh planet, Uranus.
天文学家曾一直试图解释第七颗行星—天王星奇怪的轨道现象。
10.
By this method, astronomers discovered that Uranus has five rings which are similar to Saturn's. The planet also has five moons.
通过这个方法，天文学家发现天王星有五个类似于土星的光环。这颗行星也有五个卫星。
11.
Beer:German banker and astronomer who published maps of the moon and Mars.
比尔:德国银行家与天文学家,他发表了火星月图。
12.
There was no gainsaying the astronomer's knowledge about the planets.
这位天文学家对于行星的知识是毋庸置疑的。
13.
He felt much as an astronomer feels who has discovered a new planet --
那股乐劲如同天文学家发现了新行星时一般，
14.
German astronomer who first stated laws of planetary motion (1571-1630).
第一个阐述行星运动定律的德国天文学家（1517－1630）。
15.
From the earth: Greetings
天文学方面最新发展使得我们能够在银河系和其他星系发现行星。
16.
stars as the astronomers call them,
即天文学家所说的恒星，
17.
The latter was said to be well versed in astrology and theories of yin and yang and the Five Primary Elements developed in inland China and also in astronomy and geography.
文成公主谙熟唐朝的星象学和阴阳五行学说，知晓天文地理。
18.
Astronomers studied Uranus carefully in the years that followed.
天文学家们从那时起对天王星进行了很多年的认真的研究。