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Spinnor
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A galaxy churns through a process called gravitational interaction, where the gravitational forces between stars and other celestial objects cause them to move and interact with each other.
The fiery halo of baby stars is caused by the high levels of gas and dust being churned up and compressed during the gravitational interactions. This triggers the formation of new stars.
The churning process can take millions to billions of years, depending on the size of the galaxy and the gravitational forces at play.
Unfortunately, the churning process happens on a timescale that is too long for us to observe in real time. However, we can study the effects and aftermath of churning in galaxies through telescopes and other instruments.
Yes, churning galaxies are a common phenomenon in the universe, especially in larger galaxies. It is an important part of galaxy evolution and contributes to the overall complexity and diversity of the universe.