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的基本原理银盘、球状星团、疏散星团银晕年龄确定方面的应用现状。

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星（whitedwarfstar，种超密恒星，质量约等同于太阳，但体积却不太阳的百万分之），那麽地球上的居民将可场壮丽的烟火秀。

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、疏散星团以及银晕年龄确定方面的应用现状。

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.

如果接近的天体是星（whitedwarfstar，种星，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的基本其在银盘、球状星团、疏散星团以银晕年龄确定方面的应用现状。

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星（whitedwarfstar，种超密恒星，质量约等同于太阳，但其体积却不太阳的百万分之），那麽地球上的居民将可以看壮丽的烟火秀。

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现状。

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.

近的天体是颗白矮星（whitedwarfstar，种超密恒星，质量约等同，但其体积却不到的百万分之），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的基本原理及其在银盘、球星团、疏散星团以及银晕年龄确定方面的应用现。

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.

接近的天体是颗白矮星（whitedwarfstar，种超密恒星，质量约等同于，其体积却不到的百万分之），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龄确定方面应用现状。

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.

如果天体是颗白矮星（whitedwarfstar，种超密恒星，质量约太阳，但其体积却不到太阳百万分之），那麽地球上居民将可以看到场壮丽烟火秀。

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.

了白矮星宇宙纪年学研究的基本原理及其在银盘、球状星团、疏散星团以及银晕年龄确定方面的应用现状。

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星（whitedwarfstar，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学研究的基本原理及其在盘、球状星团、疏散星团以及龄确定方面的应用现状。

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星（whitedwarfstar，种超密恒星，质量约等同于太阳，但其体积却不到太阳的之），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龄确定方面现状。

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.

如果接近天是颗白矮星（whitedwarfstar，种超密恒星，质量约等同于太阳，但其不到太阳百万分之），那麽地球上居民将可以看到场壮丽烟火秀。