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Galaxies that appear to have a bulge in the middle and arms that spherical outward, like pinwheels, are spherical. Elliptical galaxies look like round or flattened balls. Galaxies that do not have regular shapes are known as irregular galaxies.

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Three quarters of all known galaxies are what galaxies?

That is a difficult question to fully answer as types of galaxies are not fully defined. A ball park figure would be dwarf galaxies, or spiral galaxies depending on the area in question. See related question for a full breakdown.


Compare the colors of spiral galaxy with the colors of elliptical galaxy?

Spiral galaxies tend to have blue colors due to the presence of young, hot stars that emit blue light. Elliptical galaxies, on the other hand, are typically redder in color because they contain older stars that emit more red light. This color contrast is a result of the different star formation histories and compositions of the two types of galaxies.


What kind of galexies are there?

There are generally three types of galaxies: spiral galaxies, elliptical galaxies, and irregular galaxies. Spiral galaxies like the Milky Way have a disk shape with arms of stars spiraling out from a central core. Elliptical galaxies are shaped like ellipses and contain mostly older stars. Irregular galaxies have a less defined shape and tend to have a mix of young and old stars.


What are the dominant types of galaxies in the coma cluster?

The Coma Cluster is known to contain a mix of elliptical and lenticular (S0) galaxies as its dominant types. These galaxies are characterized by their older stellar populations and lack of much ongoing star formation activity. Spirals and irregular galaxies are also present but in smaller numbers compared to elliptical and lenticular galaxies in the Coma Cluster.


Which types of galaxies have a clearly defined disk component?

Spiral galaxies have a clearly defined disk component characterized by spiral arms, while lenticular galaxies have a disk without prominent spiral arms. Irregular galaxies may also have a disk component, but it is usually less organized than in spiral galaxies.

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What are three types of galaxys?

The three different types of galaxies are the Spiral galaxy, the Elliptical galaxy, and the Irregular galaxy. Spiral galaxies are obviously in the shape of a spiral, elliptical galaxies are shaped as an ellipse, or a flat circle, and irregular galaxies can be any shape.


Different kinds of galaxes?

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Compare an contrast different types of democracies with different types of dictatorships?

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How do astronomers group galaxies into three types, according to their characteristics?

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