How are spiral galaxies formed?

Md Ariful Islam

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Md Ariful Islam

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Spiral galaxies are formed mainly due to supermassive black holes that are in the center, these black holes are constantly pulling everything towards them. All the dust is from space debris which helps shape the spiral itself.

Galaxies are only spiraled initially, eventually the spirals will fade. (not in our lifetimes though!)

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Other than the Milky way Galaxy, how many Spiral Galaxies are there in the universe?

It is speculated, however, that the spiral type of galaxy is the most prevalent.

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There are a ton of extremely powerful telescopes both here on Earth and in space that is capable of looking billions of light years far. And we can see a...

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How was Edwin Hubble able to use his discovery of a Cepheid in Andromeda to prove that a spiral nebulae were actually individual galaxies?

After studying a Cepheid in the Andromeda galaxy, Hubble determined the distance and found out that it is not part of the Milky Way but another galaxy. The distance was...

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How are galaxies, stars, and planets formed? In what order are they typically formed?

The overall general sequence seems to be: The Big Bang starts 13.7 billion years ago elementary particles, atoms and the 4 forces form - about 300,000 years later galaxies...

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The Hubble telescope captured galaxies in the eastern direction of the universe. Images came back proving that galaxies are made up of different colors. What would explain the reason for the make of colors in galaxies?

Galaxies early on in their lives are actively forming hot, new stars and appear more bluish. Older galaxies are forming fewer new stars and their constituent stars are older on...

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Do all galaxies spiral in the same direction? Do all planets revolve in the same direction?

A galaxy spinning counter clockwise 'from above' would be seen to be spinning clockwise 'from below', and we must remember once more there is no really below or above in...

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Who developed the classification system that divides galaxies into spiral, elliptical, and irregular and classifies spirals by the size of their nuclear region and the tightness of winding of their arms?

Edwin Hubble made classification of Galaxies.

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What are some examples of spiral galaxies?

These are some of the examples of spiral galaxies in our universe :- ◐Andromeda Galaxy ◐Milky Way ◐Pinwheel Galaxy ◐Sunflower Galaxy ◐Triangulum Galaxy ◐Whirlpool Galaxy

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What are the differences between Elliptical, Spiral, and Irregular Galaxies?

Elliptical galaxies are shaped like elipses. Spiral galaxies (like ours) have arms that make them look like a spiral. Irregular galaxies are all the others that don't fit the two...

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Why are spiral galaxies the most commonly observed galaxies?

The exact mechanism for the formation of the spiral arms continues to puzzle scientists. Scientists think they could be a result of density waves traveling through the outer disk....

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