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Other galaxies were first believed to be?
Nebulae or star clusters within the Milky Way Galaxy.
Can a group of galaxies contain hundreds of galaxies?
Yes, a group of galaxies can contain hundreds of galaxies. These collections are known as galaxy groups or clusters, with galaxy clusters typically housing dozens to thousands of galaxies. The gravitational attraction among the galaxies allows them to remain bound together within these larger structures. This clustering plays a significant role in the study of cosmic evolution and large-scale structures in the universe.
What are the structures in space from smallest to largest?
From smallest to largest, the structures in space are: planets, stars, star clusters, galaxies, galaxy clusters, and superclusters. Within each of these categories, there is a wide range of sizes and variations.
Since the universe is thought to be expanding why do galaxies collide?
Because although the universe is expanding, the galaxies within it are grouped into clusters. These clusters are still under the influence of gravity, so slowly, over many years, they are attracted towards each other and can collide with one another.
Is the space expanding within clusters of galaxies?
Oh, isn't that a lovely question? Imagine the vastness of space where galaxies swim like little fishies in a giant cosmic pond. Just like those gentle galaxies are drifting apart and getting more glimmery over many seasons, the space between them is gently unfurling, creating more room for poems and rainbows along the way. Everything in the universe plays its part in the Great Artist's masterpiece. 
At least how many galaxies are located within the Draco constellation?
The Draco constellation contains at least 30 recognized galaxies, including notable ones like the Draco I and Draco II dwarf galaxies. Additionally, there are several other smaller galaxies and galaxy clusters within its boundaries. The exact number may vary as new discoveries are made and classifications change.
What pairs of objects are the farthest apart?
The pair of objects that are the farthest apart in the universe are galaxies. Galaxies are clusters of billions of stars and are separated by vast distances in the universe. The observable universe is about 93 billion light-years in diameter, so galaxies within it can be incredibly far apart.
Do all galaxies have planets in?
Probably, but impossible to tell as we are only just seeing planets within our own galaxy.
What connection is there between the rotation of galaxy clusters and dark matter?
The rotation of galaxy clusters is influenced by the presence of dark matter, which does not emit light but exerts gravitational forces. Observations show that galaxies within clusters rotate at speeds that exceed what would be expected based solely on the visible matter. This discrepancy indicates that a significant amount of unseen mass, attributed to dark matter, is present, providing the necessary gravitational pull to keep galaxies bound within the cluster and maintain their high rotational velocities. Thus, the behavior of galaxy clusters serves as critical evidence for the existence of dark matter in the universe.
How do sun clusters contribute to the formation and evolution of galaxies in the universe?
Sun clusters, also known as star clusters, play a crucial role in the formation and evolution of galaxies in the universe. They are the building blocks of galaxies, as they contain a large number of stars that are formed from the same gas cloud. These clusters help in shaping the structure of galaxies by influencing their dynamics and distribution of stars. Additionally, interactions between star clusters and galaxies can trigger the formation of new stars and affect the overall evolution of the galaxy.
What is the relationship between gravity and galaxies?
Gravity plays a crucial role in the formation and structure of galaxies. It is the force that pulls matter together, allowing gas and dust to coalesce into stars and clusters, ultimately forming galaxies. Additionally, gravity governs the motion of stars and other celestial bodies within galaxies, influencing their orbits and interactions. Overall, gravity is fundamental to the dynamics and evolution of galaxies throughout the universe.
Do stars form into galaxies?
Galaxies are vast collections of stars. So I guess you could say that a big group of stars forms a galaxy. Our galaxy has many big clusters of stars within it, so not all star clusters are galaxies. If you have a cluster of several million or billion (or trillion) stars surrounded by a lot of empty space, that is probably a galaxy.
