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

MA作为定镜跟踪的运动，望远镜在中前后进行观测。

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

太阳、星星、月亮都。

The sun, moon, and stars are heavenly bodies.

太阳、月亮和星星都。

In space, all bodies attract other bodies.

在太空, 一切都相互吸引。

The map of the heavens showed all the northern constellations.

这份图标明了北半部所有的星座。

The sun is a heavenly body.

太阳一个。

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

马卡林273一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.

一粒霉菌一簇美不胜收的花朵，一撮星云无的蚁聚。

Stars are celestial bodies.

星星。

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

这些放石坑产生于撞击溅出的地下物质，绵延在遍布石坑的水星表面百公里。

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《导言》指导我们批判现代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照相似的照相图发展历史。

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

化学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，被其他接收或走向自我毁灭，这便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.

介绍当今确定文大地垂线偏差的新仪器———CCD自动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。

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

MA作为定镜跟踪的运动，望远镜在中前后进行观测。

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

太阳、星星、月亮都。

The sun, moon, and stars are heavenly bodies.

太阳、月亮和星星都。

In space, all bodies attract other bodies.

在太空, 一切都相互吸引。

The map of the heavens showed all the northern constellations.

这份图标明了北半部所有的星座。

The sun is a heavenly body.

太阳一。

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

马卡林273一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.

一粒霉菌一簇美不胜收的花朵，一撮星云无数的蚁聚。

Stars are celestial bodies.

星星。

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《导言》指导判现代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照相似的照相图发展历史。

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

化学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，被其他接收或走向自毁灭，这便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.

介绍当今确定文大地垂线偏差的新仪器———CCD自动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。

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

MA作为定天镜跟踪天体的运动，望远镜在天体中天前后进行观测。

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

太阳、星星、月亮都天体。

The sun, moon, and stars are heavenly bodies.

太阳、月亮和星星都天体。

In space, all bodies attract other bodies.

在太空, 一切天体都相互吸引。

The map of the heavens showed all the northern constellations.

这份天体图标明了北半部所有的星座。

The sun is a heavenly body.

太阳一个天体。

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

马卡林天体273一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.

一粒霉菌一簇美不胜收的花朵，一撮星数天体的蚁聚。

Stars are celestial bodies.

星星天体。

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

这些放射状陨生于天体撞击溅出的地下物质，绵延在遍布陨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《导言》指导我们批判现代天体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体照相似的照相天图发展历史。

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

天体化学研究外太空化学的学科，一般研究气体分子及其形成、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，被其他天体接收或走向自我毁灭，这便宇宙星体大概的演化史。

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体核心的温度。

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自动天体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.

如果接近的天体一颗白矮星（whitedwarfstar，一种超密恒星，质量约等同于太阳，但其体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。

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

MA作为定天镜跟踪天体的运动，望远镜在天体中天前后进行观测。

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

太阳、星星、月亮都天体。

The sun, moon, and stars are heavenly bodies.

太阳、月亮和星星都天体。

In space, all bodies attract other bodies.

在太空, 一切天体都相互吸引。

The map of the heavens showed all the northern constellations.

这份天体图标明了北半部所有的星座。

The sun is a heavenly body.

太阳一个天体。

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

马卡林天体273一个有着奇的星系，有些像牙刷。

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

一粒霉菌一簇美不胜收的花朵，一撮星云无天体的蚁聚。

Stars are celestial bodies.

星星天体。

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体撞击溅出的地下物质，绵延在遍布陨石坑的水星表公里。

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《导言》指导我们批判现代天体演化研究中僵死的唯心主义和而上学的有力武器。

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体照相似的照相天图发展历史。

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

天体化学研究太空化学的学科，一般研究气体分子云及其成、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，被其他天体接收或走向自我毁灭，这便宇宙星体大概的演化史。

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线的式损失掉，其馀的则会用于增加天体核心的温度。

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自动天体测量仪和确定两点间高程常差的新方法。

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.

如果接近的天体一颗白矮星（whitedwarfstar，一种超密恒星，质量约等同于太阳，但其体积却不到太阳的万分之一），那麽地球上的居民将可以看到一场壮丽的烟火秀。

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

MA作为定天镜跟踪天体的运动，望远镜在天体中天前后进行观测。

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

太阳、星星、月亮都天体。

The sun, moon, and stars are heavenly bodies.

太阳、月亮和星星都天体。

In space, all bodies attract other bodies.

在太空, 一切天体都相互。

The map of the heavens showed all the northern constellations.

份天体图标明了北半部所有的星座。

The sun is a heavenly body.

太阳一个天体。

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

马卡林天体273一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.

一粒霉菌一簇美不胜收的花朵，一撮星云无数天体的蚁聚。

Stars are celestial bodies.

星星天体。

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

些放射状陨石坑产生于天体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《导言》指导我们批判现代天体演化研究中僵死的唯心主义和形的有力武器。

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体照相似的照相天图发展历史。

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

天体化研究外太空化的科，一般研究气体分子云及其形成、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.

放慢则可能意味着衰老，被其他天体接收或走向自我毁灭，便宇宙星体大概的演化史。

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体核心的温度。

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自动天体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.

如果接近的天体一颗白矮星（whitedwarfstar，一种超密恒星，质量约等同于太阳，但其体积却不到太阳的百万分之一），那麽地球的居民将可以看到一场壮丽的烟火秀。

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、、月亮都天。

The sun, moon, and stars are heavenly bodies.

太阳、月亮和都天。

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.

份天图标明了北半部所有的座。

The sun is a heavenly body.

太阳一个天。

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

马卡林天273一个有着奇异外形的系，有像牙刷。

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

一粒霉菌一簇美不胜收的花朵，一撮云无数天的。

Stars are celestial bodies.

天。

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

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《导言》指导我们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图发展历史。

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我毁灭，便宇宙大概的演化史。

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.

如果接近的天一颗白矮（whitedwarfstar，一种超密恒，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。

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

MA作为定镜跟踪体的运动，望远镜在体中进行观测。

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

阳、星星、月亮都体。

The sun, moon, and stars are heavenly bodies.

阳、月亮和星星都体。

In space, all bodies attract other bodies.

在空, 一切体都相互吸引。

The map of the heavens showed all the northern constellations.

这份体图标明了北半部所有的星座。

The sun is a heavenly body.

阳一个体。

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

马卡林体273一个有着奇异形的星系，有些像牙刷。

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

一粒霉菌一簇美不胜收的花朵，一撮星云无数体的蚁聚。

Stars are celestial bodies.

星星体。

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体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《导言》指导我们批判现代体演化研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体照相似的照相图发展历史。

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

体化学研空化学的学科，一般研气体分子云及其形成、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，被其他体接收或走向自我毁灭，这便宇宙星体大概的演化史。

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线的形式损失掉，其馀的则会用于增加体核心的温度。

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.

介绍当今确定文大地垂线偏差的新仪器———CCD自动体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.

如果接近的体一颗白矮星（whitedwarfstar，一种超密恒星，质量约等同于阳，但其体积却不到阳的百万分之一），那麽地球上的居民将可以看到一场壮丽的烟火秀。

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

MA作为定天镜跟踪天体的运动，望远镜在天体中天前后进。

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

太阳、星星、月亮都天体。

The sun, moon, and stars are heavenly bodies.

太阳、月亮和星星都天体。

In space, all bodies attract other bodies.

在太空, 一切天体都相互吸引。

The map of the heavens showed all the northern constellations.

这份天体图标明了北半部所有的星座。

The sun is a heavenly body.

太阳一个天体。

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

马卡林天体273一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.

一粒霉菌一簇美不胜收的花朵，一撮星云无数天体的蚁聚。

Stars are celestial bodies.

星星天体。

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体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《导言》指导我们批判现代天体演研究中僵死的唯心主义和形而上的有力武器。

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体照相似的照相天图发展历史。

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

天体研究外太空的科，一般研究气体分子云及其形成、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，被其他天体接收或走向自我毁灭，这便宇宙星体大概的演史。

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体核心的温度。

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自动天体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.

如果接近的天体一颗白矮星（whitedwarfstar，一种超密恒星，质量约等同于太阳，但其体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。

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

MA作镜跟踪体的运动，望远镜在体中前后进行观测。

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

太阳、星星、月亮都体。

The sun, moon, and stars are heavenly bodies.

太阳、月亮和星星都体。

In space, all bodies attract other bodies.

在太空, 一切体都相互吸引。

The map of the heavens showed all the northern constellations.

这份体图标明了北半部所有的星座。

The sun is a heavenly body.

太阳一个体。

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

马卡林体273一个有着奇异外的星系，有些像牙刷。

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

一粒霉菌一簇美不胜收的花朵，一撮星云无数体的蚁聚。

Stars are celestial bodies.

星星体。

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体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《导言》指导我们批判现代体演化研究中僵死的唯心主义和而上学的有力武器。

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体照相似的照相图发展历史。

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

体化学研究外太空化学的学科，一般研究气体分子云成、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，被他体接收或走向自我毁灭，这便宇宙星体大概的演化史。

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式损失掉，馀的则会用于增加体核心的温度。

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.

介绍当今确文大地垂线偏差的新仪器———CCD自动体测量仪和确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.

如果接近的体一颗白矮星（whitedwarfstar，一种超密恒星，质量约等同于太阳，但体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。