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Raimund Kempe
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How can galaxies rotate coming from a singularity?
Raimund
How can galaxies rotate coming from a singularity?
Raimund
You apparently have a misconception of what "singualrity" means and you think it means a point in space where things came from. Even in pop-science it is not stated that galaxies came from a singularity but it is stated (incorrectly) that the universe exploded from a singularity.Raimund Kempe said:How did you find PF?: Google search
How can galaxies rotate coming from a singularity?
Raimund
It is explained by Conservation of Angular Momentum.Raimund Kempe said:How can galaxies' rotation be explained?
nothing - the universe is not rotating - you seem to have reverted back to thinking that the universe "exploded" from a point in space.Raimund Kempe said:What does this principle mean for the whole universe with its billions of rotating galaxies?
nothing - there was no rotation at the beginning - you seem to have reverted back to thinking that the universe "exploded" from a point in space and was somehow rotating then.And what does it mean for the state at the very beginning?
There is no such principle. There is conservation of angular momentum, but angular momentum includes more than just spin around centers of mass.Raimund Kempe said:Your answers are not compatible to the principle of spin conservation.
I think you are confusing the angular momentum of an individual galaxy and the total angular momentum of the Universe. As far as I know, there is no evidence of any net angular momentum and no evidence of a 'preferred' axis but if you start with a sample of primordial gases (the future galaxy) then that sample would be expected to have a non zero angular momentum and some preferred axis. The rest follows.Raimund Kempe said:the real question remains unanswered: How can galaxies' rotation be explained?
The rotation of galaxies is primarily caused by the gravitational pull of the massive amounts of dark matter and visible matter within the galaxy. As these objects move, they create a rotational force that causes the galaxy to spin.
The rotation of galaxies can be measured using a variety of techniques, such as observing the Doppler shift of light from stars and gas within the galaxy, or analyzing the distribution of mass and velocity of objects within the galaxy.
The rotation speed of a galaxy is dependent on its mass and distribution of mass. Galaxies with more mass and a more concentrated distribution of mass will rotate faster due to the stronger gravitational forces at play.
Yes, the rotation of galaxies can be explained by the laws of physics, specifically the laws of gravity and motion. These laws govern the behavior of objects in the universe, including galaxies, and can accurately predict their rotational patterns.
No, the rotation of galaxies is not constant. It can vary based on the distribution of mass within the galaxy, interactions with other galaxies, and the effects of dark matter. However, on a larger scale, the rotation of galaxies tends to follow predictable patterns and can be used to understand the structure and evolution of the universe.