Globular clusters are small groups of stars, while the milky way is a large galaxy containing hundreds of billions of stars, along with some of these clusters.
the halo
Open clusters lie along the Milky Way and half of the globular clusters are in or near the constellation Sagittarius.
Those are called globular clusters, or star clusters.
Yes, billions and billions of them.
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The sun is far from the center of the Milky Way.
Globular star clusters are members of the Milky Way galaxy. They are dense, spherical collections of stars that orbit the galactic center. These clusters contain thousands to millions of ancient stars and are typically found in the galactic halo.
Yes, Shapley used the distribution of globular clusters in the galaxy to show that the center of the Milky Way was located much farther away than previously thought. By studying the positions and distances of these clusters, he was able to demonstrate that the Sun was not at the center of the galaxy.
In our Milky Way galaxy, globular clusters tend to be at the "outlying fringes" or "halo" of the galaxy, and seem to be largely made up of very old stars.
There's no definitive age for the globular clusters, but they are believed to consist of population II stars and therefore very old. As a ball park figure, they are probably around the 10 billion years old mark.
Earth belongs to the Milky Way galaxy, which contains numerous star clusters. Specifically, our solar system is located in the Orion Arm of the Milky Way, but it is not part of a distinct star cluster. Instead, it is part of the larger structure of stars within the galaxy. The Milky Way itself is a barred spiral galaxy with various clusters, including globular clusters and open clusters.
Open clusters are typically found in the galactic disk of spiral galaxies, including our Milky Way. They are often situated in regions of active star formation, such as spiral arms, where gas and dust are abundant. Open clusters can also be located in the halo of the galaxy, but they are less common there compared to globular clusters. Their relatively young age and loose structure distinguish them from the more densely packed globular clusters.