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

马卡林273是一个有着奇异外形星系，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花朵，一撮星云是无数蚁聚。

In space, all bodies attract other bodies.

在太空, 一切都相互吸引。

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

太阳、星星、月亮都是。

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

MA作为定镜跟踪运动，望远镜在中前后进行观测。

The map of the heavens showed all the northern constellations.

这份图标明了北半部所有星座。

The sun, moon, and stars are heavenly bodies.

太阳、月亮和星星都是。

The sun is a heavenly body.

太阳是一个。

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

这些射状陨石坑产生于撞击溅出地下物质，绵延在遍布陨石坑水星表面数百公里。

Stars are celestial bodies.

星星是。

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《导言》是指导我们批判现代演化研究中僵死唯心主义和形而上学有力武器。

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

略要地回顾了角照相似照相图发展历史。

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

化学是研究外太空化学学科，一般研究气分子云及其形成、相互作和毁灭。

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.

而慢则可能意味着衰老，被其他接收或走向自我毁灭，这便是宇宙星大概演化史。

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.

部分重力能量在崩溃过程中会以红外线形式损失掉，其馀则会于增加核心温度。

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新仪器———CCD自动测量仪和确定两点间高程异常差新方法。

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，但其积却不到太阳百万分之一），那麽地球上居民将可以看到一场壮丽烟火秀。

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

马卡林天体273是一个有着奇异外形星系，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花朵，一撮星云是无数天体蚁聚。

In space, all bodies attract other bodies.

在太空, 一切天体都相互吸引。

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

太阳、星星、月亮都是天体。

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运动，望远镜在天体中天前后进行观测。

The map of the heavens showed all the northern constellations.

这份天体图标明了北半部所有星座。

The sun, moon, and stars are heavenly bodies.

太阳、月亮和星星都是天体。

The sun is a heavenly body.

太阳是一个天体。

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

这些射状石坑产生于天体撞击溅出地下物质，绵延在石坑水星表面数百公里。

Stars are celestial bodies.

星星是天体。

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《导言》是指导我们批判现代天体演化研究中僵死唯心主义和形而上学有力武器。

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.

天体化学是研究外太空化学学科，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，这便是宇宙星体大概演化史。

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.

部分重力能量在崩溃过程中会以红外线形式损失掉，其馀则会用于增加天体核心温度。

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新仪器———CCD自动天体测量仪和确定两点间高程异常差新方法。

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.

如果接近天体是一颗白矮星（whitedwarfstar，一种超密恒星，质量约等同于太阳，但其体积却不到太阳百万分之一），那麽地球上居民将可以看到一场壮丽烟火秀。

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

马卡林天体273是一个有着奇异外形的系，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，一撮云是无数天体的蚁聚。

In space, all bodies attract other bodies.

在太空, 一切天体都相互吸引。

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

太阳、、月亮都是天体。

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 map of the heavens showed all the northern constellations.

这份天体图北半部所有的座。

The sun, moon, and stars are heavenly bodies.

太阳、月亮和都是天体。

The sun is a heavenly body.

太阳是一个天体。

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

这些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面数百公里。

Stars are celestial bodies.

是天体。

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》是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.

天体化学是研究外太空化学的学科，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，这便是宇宙体大概的演化史。

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.

如果接近的天体是一颗白矮（whitedwarfstar，一种超密恒，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。

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

马卡林273是一个有着奇异外形星系，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花朵，一撮星云是无数蚁聚。

In space, all bodies attract other bodies.

在太空, 一切都相互吸引。

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

太阳、星星、月亮都是。

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

MA作为定镜跟踪运动，望远镜在中前后进行观测。

The map of the heavens showed all the northern constellations.

这份图标明了北半部所有星座。

The sun, moon, and stars are heavenly bodies.

太阳、月亮和星星都是。

The sun is a heavenly body.

太阳是一个。

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

这些射状陨石坑产生于撞击溅出地下物质，绵延在遍布陨石坑水星表面数百公里。

Stars are celestial bodies.

星星是。

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《导言》是指导我们批判现代演化研究中僵死唯心主义和形而上学有力武器。

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

略要地回顾了角照相似照相图发展历史。

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

化学是研究外太空化学学科，一般研究气分子云及其形成、相互作和毁灭。

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.

而慢则可能意味着衰老，被其他接收或走向自我毁灭，这便是宇宙星大概演化史。

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.

部分重力能量在崩溃过程中会以红外线形式损失掉，其馀则会于增加核心温度。

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新仪器———CCD自动测量仪和确定两点间高程异常差新方法。

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，但其积却不到太阳百万分之一），那麽地球上居民将可以看到一场壮丽烟火秀。

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

马卡林天体273是一个有着奇异外形的系，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，一撮云是无数天体的蚁聚。

In space, all bodies attract other bodies.

在太空, 一切天体都相互吸引。

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

太阳、、都是天体。

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 map of the heavens showed all the northern constellations.

这份天体图标明了北半部所有的座。

The sun, moon, and stars are heavenly bodies.

太阳、和都是天体。

The sun is a heavenly body.

太阳是一个天体。

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

这些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表面数百公里。

Stars are celestial bodies.

是天体。

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》是指导我们批判现代天体演化研究中僵死的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.

天体化学是研究外太空化学的学科，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，这便是宇宙体大概的演化史。

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.

如果接近的天体是一颗白矮（whitedwarfstar，一种超密恒，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。

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，一撮星云无数的蚁聚。

In space, all bodies attract other bodies.

在太空, 一切都相互吸引。

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

太阳、星星、月亮都。

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，望远镜在前后进行观测。

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, moon, and stars are heavenly bodies.

太阳、月亮和星星都。

The sun is a heavenly body.

太阳一个。

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

这些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。

Stars are celestial bodies.

星星。

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。

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

马卡林273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.

粒霉菌美不胜收的花朵，撮星云无数的蚁聚。

In space, all bodies attract other bodies.

在太空, 切都相互吸引。

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

太阳、星星、月亮都。

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 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, moon, and stars are heavenly bodies.

太阳、月亮和星星都。

The sun is a heavenly body.

太阳个。

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

这些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。

Stars are celestial bodies.

星星。

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。

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，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。

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.

如果接近的颗白矮星（whitedwarfstar，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），那麽地球上的居民将可以看到场壮丽的烟火秀。

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

马卡林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，一撮星云是无数的蚁聚。

In space, all bodies attract other bodies.

在太空, 一切都相互吸引。

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

太阳、星星、月亮都是。

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

MA作为定镜跟的运动，望远镜在中前后进行观测。

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, moon, and stars are heavenly bodies.

太阳、月亮和星星都是。

The sun is a heavenly body.

太阳是一个。

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

这些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。

Stars are celestial bodies.

星星是。

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》是指导我们批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.

而慢则可能意味着衰老，被其他接收或走向自我毁灭，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。

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

马卡林273是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.

一粒霉菌是一簇美不胜收的花朵，一撮星云是无数的蚁聚。

In space, all bodies attract other bodies.

在太空, 一切都相互吸引。

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

太阳、星星、月亮都是。

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 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, moon, and stars are heavenly bodies.

太阳、月亮和星星都是。

The sun is a heavenly body.

太阳是一。

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

这些射状产生于撞击溅出的地下物质，绵延在遍布的水星表面数百公里。

Stars are celestial bodies.

星星是。

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》是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.

而慢则可能意味着衰老，被其他接收或走向自我毁灭，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。