We also describe the basic principle of white dwarf cosmochronology and its application in defining the age of the Galactic disk, globular clusters, open clusters and Galactic halo.

介绍了白宙纪年学研究基本原理及其在银盘、球状团、疏散团以及银晕年龄确定方面应用状。

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（whitedwarfstar，一种超密恒，质量约等同于太阳，但其体积却不到太阳分之一），那麽地球上居民将可以看到一场壮丽烟火秀。

We also describe the basic principle of white dwarf cosmochronology and its application in defining the age of the Galactic disk, globular clusters, open clusters and Galactic halo.

介绍了白矮星宇宙纪年的基本原理及其在银盘、球状星团、疏散星团以及银晕年龄确定方面的应用状。

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星（whitedwarfstar，一种超密恒星，质量约等同于太阳，但其体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。

We also describe the basic principle of white dwarf cosmochronology and its application in defining the age of the Galactic disk, globular clusters, open clusters and Galactic halo.

介绍了白矮星宇宙纪年学研究基本原理及其在银盘、球状星团、疏散星团以及银晕年龄确应用状。

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。

We also describe the basic principle of white dwarf cosmochronology and its application in defining the age of the Galactic disk, globular clusters, open clusters and Galactic halo.

介绍了矮星宇宙纪年学研究的基本原理及其在银盘、球状星团、疏散星团及银晕年龄确定方面的应用状。

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.

如果接近的体是一颗矮星（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看到一场壮丽的烟火秀。

We also describe the basic principle of white dwarf cosmochronology and its application in defining the age of the Galactic disk, globular clusters, open clusters and Galactic halo.

介绍了宇宙纪年学研究基本原理及其在银盘、球状团、疏散团以及银晕年龄确定方面应用状。

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（whitedwarfstar，一种超密恒，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秀。

We also describe the basic principle of white dwarf cosmochronology and its application in defining the age of the Galactic disk, globular clusters, open clusters and Galactic halo.

介绍了白矮星宇宙纪年学研究基本原理及其在银盘、球状星团、疏散星团以及银晕年龄确定应用状。

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。

We also describe the basic principle of white dwarf cosmochronology and its application in defining the age of the Galactic disk, globular clusters, open clusters and Galactic halo.

介绍了白矮宇宙纪年学研究的基本原理及其在银盘、球状团、团以及银晕年龄确定方面的应用状。

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.

如果接近的天体是颗白矮（whitedwarfstar，密恒，质量约等同于太阳，但其体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。

We also describe the basic principle of white dwarf cosmochronology and its application in defining the age of the Galactic disk, globular clusters, open clusters and Galactic halo.

介绍了白矮星宇宙纪年学研究基本原理及其在银盘、球状星团、疏散星团以及银晕年方面应用状。

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。

We also describe the basic principle of white dwarf cosmochronology and its application in defining the age of the Galactic disk, globular clusters, open clusters and Galactic halo.

介绍了白矮星宇宙纪年的基本原理及其在银盘、球状星团、疏散星团以及银晕年龄确定方面的应用状。

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星（whitedwarfstar，一种超密恒星，质量约等同于太阳，但其体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。