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Star Clusters

Given that the formation of stars greatly relies on the gravitational differences, the regions of the molecular cloud with higher density experience shock waves from the galaxies. Once it reaches a sufficient density, the region starts to collapse as a result of its gravitational force. As the cloud collapses, the dense gasses and the dust particles form globules which later collapse to convert the gravitational energy into heat. The blowing up of a high mass star releases debris which are then dumped into the galaxy. On reaching stability, the cloud forms a protostar at its core surrounded by a disc. At the end, the debris are trapped and kept as a globular cluster in the disk. The debris will be clustered as a group held together in this disc. I am sure that this process requires a lot of time to be completed.

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Compare and contrast globular and galactic clusters.

As two of the major clusters of stars, the globular and galactic clusters have their components bound to each other by the gravitational forces. However, the globular is more tightly held by this force than galactic thus, giving it has a sphere shape and a relatively higher density as compared to the galactic clusters. Besides, it has more stars than galactic clusters. Therefore, it experiences ore collisions within its particles. The other difference is that whereas a small percentage of the galactic clusters have Helium, Hydrogen, dusts and other heavy metals, the globular clusters do not have any of these. I think that they must have been turned into stars many ago. Lastly, unlike the stable globular clusters which are formed outside the disc, the galactic clusters are bound within the discs and really unstable. Despite their multiple generation formation periods, they do not last longer because they are dispersed after a very short time.

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