home *** CD-ROM | disk | FTP | other *** search
/ Eyewitness: Encyclopedia of Space & the Universe / DKMMSPAC.iso / unst / sclu / sclu1m.png < prev    next >
Portable Network Graphic  |  1996-04-23  |  37KB  |  550x444  |  8-bit (172 colors)
Labels: text | screenshot
OCR: STAR CLUSTERS A STAR CLUSTER is a group of are of different masses; it is mass that stars bound together by mutual determines a star's life cycle. There are gravitational attraction. Stars in a cluster two types of cluster: globular and open. were born at the same time from the Globular clusters are older and lie in a same cloud of gas and dust and so they spherical halo surrounding the nucleus of have similar ages and composition. The the Milky Way Galaxy, while the younger stars differ in type, however, since they open clusters lie in the Galaxy's disk. Disk containing Halo containing open clusters globular clusters CLUSTER LOCATIONS Globular clusters formed Nucleus of galaxy while the Galaxy was a spherical cloud. When the Galaxy became disk-shaped, the globular clusters remained in a h ...