As a coelostat, MA tracks the motion of celestial objects observed at their meridian passages.

MA作为定天镜跟踪天的运动，望远镜在天中天前后进行观测。

The sun, the stars, and the moon are celestial bodies.

太阳、星星、月亮都是天。

The sun, moon, and stars are heavenly bodies.

太阳、月亮和星星都是天。

In space, all bodies attract other bodies.

在太空, 一切天都相互吸引。

The map of the heavens showed all the northern constellations.

这份天明了北半部所有的星座。

The sun is a heavenly body.

太阳是一个天。

Markarian 273 is a galaxy with a bizarre structure that somewhat resembles a toothbrush.

马卡林天273是一个有着奇异外形的星系，有些像牙刷。

A bit of mould is a pleiad of flowers;a nebula is an ant-hill of stars.

一粒霉菌是一簇美不胜收的花朵，一撮星云是数天的蚁聚。

Stars are celestial bodies.

星星是天。

Bright ejecta rays such as these are produced as impacts excavate and eject relatively unweathered subsurface material.

这些放射状陨石坑产生于天撞击溅出的地下物质，绵延在遍布陨石坑的水星表面数百公里。

Engel's In-troduction is an effective weapon in carrying out criticisms of the decadent idealistic-metaphysical viewpoints in contemporary cosmogonical researeh.

恩格斯的《言》是指批判现代天演化研究中僵死的唯心主义和形而上学的有力武器。

Early history of the photographic sky maps with wide-angle astrograph is reviewed briefly.12 famous patrol atlases and maps are outlined.

略要地回顾了应用广角天照相似的照相天发展历史。

Wikipedia - Astrochemistry is the study of the chemicals found in outer space, usually in molecular gas clouds, and their formation, interaction and destruction.

天化学是研究外太空化学的学科，一般研究气分子云及其形成、相互作用和毁灭。

But slows down then possibly meant senile, or moves towards by other heavenly body receive the self-deconstruction, this then is the universe photostar general evolution history.

而放慢则可能意味着衰老，被其他天接收或走向自毁灭，这便是宇宙星大概的演化史。

As described above, the collapse of a rotating cloud of gas and dust leads to the formation of an accretion disk through which matter is channeled onto a central protostar.

部分的重力能量在崩溃的过程中会以红外线的形式损失掉，其馀的则会用于增加天核心的温度。

A new means of determining astro geodetic deflection of the vertical CCD automatic astrometer and the new method to determine the difference of height anomalies between two points are described.

介绍当今确定天文大地垂线偏差的新仪器———CCD自动天测量仪和确定两点间高程异常差的新方法。

If the incoming projectile were a white dwarf—a superdense star that packs the mass of the sun into a body a hundredth the size—the residents of Earth would be treated to quite a fireworks show.

如果接近的天是一颗白矮星（whitedwarfstar，一种超密恒星，质量约等同于太阳，但其积却不到太阳的百万分之一），那麽地球上的居民将可以看到一场壮丽的烟火秀。