Old Star Clusters and the Development of the Galactic Disk

9315300简虽然我们银河系中的一些恒星可能是在宇宙起源后不久形成的，但银河系本身可能只是在几十亿年后才逐渐与银盘形成融合。我们将研究盘状星盘早期形成的旧疏散星团。对这些物体的年龄、成分和速度之间的关系将寻求更好的理解。这些信息对于构建一个全面的银盘形成和演化模型是必不可少的。***

9315300 Janes Although some stars in our galaxy may have formed soon after the origin of the universe, the galaxy itself probably coalesced only gradually with the galactic disk forming several billion years later. Old open star clusters which formed early in the history of the disk will be studied. An improved understanding of the relation between the ages, compositions and velocities of these objects will be sought. This information is essential to constructing a comprehensive model for the formation and evolution of the galactic disk. ***