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Is the universe still making new galaxies?


Grim Reaper 6

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Galaxies are pretty easy to identify. They are large collections of stars, gas and dark matter. They are largely distinct from one another; a typical galaxy is roughly 100,000 light-years across, while the typical distance between galaxies is roughly 1 million light-years.

So, in many senses, no new galaxies appear today. The process of building them — of seeding them as tiny differences in density or the initial gathering of dark matter — is over and done with, an act that took place in the ancient cosmos and never again. There are no more protogalaxies — no more clouds of gas just waiting for the chance to compress and create a new galaxy — in the present-day universe.

Is the universe still making new galaxies? | Space

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11 minutes ago, Ell said:

It would be weird if it did not.

Well, I suppose it’s pretty weird because apparently the universe is no longer producing galaxies my friend!:yes:

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31 minutes ago, Ell said:

So where do all them dwarf galaxies come from?

They all were created during the Big Bang, the size of a galaxy is based upon the materials that were available in the blast wave where the galaxy formed.

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34 minutes ago, Ell said:

There never was a Big Bang. Nor a Small Bang either.

Explain? 

55 minutes ago, Grim Reaper 6 said:

They all were created during the Big Bang, the size of a galaxy is based upon the materials that were available in the blast wave where the galaxy formed.

It was more of a superfast expansion than a "blast wave" and it's more complicated than that but as Waspie told me population 3 stars, which were super huge and short lived and no longer exist become the supermassive black holes at the center of the galaxies and their novas create the initial building blocks of them. 

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