Until now, the Milky Way was believed to be one galaxy in the 2,000 that make up what's known as the Virgo "supercluster".
The Solar System contains the Earth-Moon system. The Milky Way galaxy contains the Solar System. The Virgo supercluster contains the Milky Way galaxy. The Universe contains the Virgo supercluster.
The Earth is located within a supercluster called the Laniakea Supercluster. It is a vast system of galaxies that includes our Milky Way galaxy and thousands of others, bound together by gravity. The Laniakea Supercluster was defined in 2014 by astronomers studying the motions of galaxies in the universe.
A galaxy is larger. Our solar system is a very tiny part of the Milkyway Galaxy. the galaxy. a galaxy is made up of hundreds of thousands of solar systems.
The Virgo Supercluster, often just called the Local Supercluster
The Milky Way galaxy is part of the Local Group, which is a collection of several galaxies. The Local Group, in turn, is a part of the larger Virgo Supercluster.
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The Milky Way is located in the Local Clusterwhich contains about 30 galaxies. It is on of the biggest of them and it also has a twin galaxy called Andromeda. The local cluster is located a galaxy cloud called Canes Venaticiwhich together with 6 other galaxy clouds makes the Local Supercluster.
The Virgo Supercluster contains over 100 galaxy groups and clusters, including the well-known Virgo Cluster. Estimates suggest that it harbors approximately 2,000 galaxies, although some sources propose that the total could be higher, potentially encompassing up to 3,000 galaxies when accounting for smaller groups and isolated galaxies. This supercluster is part of the larger Laniakea Supercluster, which includes our Milky Way galaxy.
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No, The name of our galaxy is the milky way Galaxy. The are many other galxies like the milky way, because it is a sprial galaxy, and there are billions upon billions of of spriral galxaxies.
There is no larger rotational group for galaxies. The Milky Way galaxy and the Andromeda Galaxy, as part of the Local Group, are moving generally in one direction, toward an unidentified central mass in the direction of the constellation Centaurus. (This may be a gravitational effect of the Shapley Supercluster.)
The universe can be organized in various scales: Planetary system (e.g. our solar system) Galaxy (e.g. Milky Way) Galaxy cluster (group of galaxies) Supercluster (groups of galaxy clusters) Observable universe (everything we can potentially observe)