They are located in the plane of our galaxy, along the spiral arms where the gas and dust in the Milky Way resides. The results indicate that it is a field star about 6,000 light years away, with an. Because they are not gravitationally bound, these clusters can have random and irregular shapes. The newly discovered star, designated V18, is a periodic variable with a period of approximately 0.317 days. Though the stars in an open cluster formed together out of the same material, they do not remain gravitationally bound over time and spread out, scattering their stars far and wide. They are the recent birthplaces of new stars, which form out of clouds of dust and gas, and contain only hundreds or thousands of stars. Open clusters are much younger and smaller than globular clusters. As such, astronomers use them to study our galaxy’s early history to learn more about what the Milky Way was like when these stars formed. They are typically on the order of 13 billion years old, meaning they contain some of the oldest stars in our galaxy. Globular clusters are found in our galaxy’s spherical halo, so they are distributed above, below, and level with the plane of our flat, disk-shaped Milky Way. These clusters are usually roughly spherical and can contain anywhere from a few thousand to a million stars. The developing cluster seen by JWST here existed just 650 million years after the Big Bang. Globular clusters are old clusters of stars that have remained in a gravitationally bound system. There are two major types of star clusters - globular clusters and open clusters - and they are actually quite different. “Star cluster” is a generic way for astronomers to refer to a group of stars that formed from the same material and are gravitationally bound for at least some period of time.
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