Front

What is an irregular galaxy?

Back

An irregular galaxy is a type of galaxy that does not have a distinct regular shape or structure, often appearing chaotic in form.

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What are the three main types of galaxies?

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The three main types of galaxies are spiral, elliptical, and irregular.

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What is the Milky Way Galaxy?

Back

The Milky Way Galaxy is the galaxy that contains our Solar System, characterized as a barred spiral galaxy.

Front

What is the closest large spiral galaxy to the Milky Way?

Back

The Andromeda Galaxy is the closest large spiral galaxy to the Milky Way.

Front

How many stars are estimated to be in the Milky Way Galaxy?

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The Milky Way Galaxy is estimated to contain about 200 billion stars.

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What is a spiral galaxy?

Back

A spiral galaxy is a type of galaxy characterized by its spiral arms that wind outward from the center, containing stars, gas, and dust.

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What is an elliptical galaxy?

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An elliptical galaxy is a type of galaxy that has an ellipsoidal shape and lacks the distinct features of spiral galaxies, often containing older stars.

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What is the significance of the Andromeda Galaxy?

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The Andromeda Galaxy is significant as it is the nearest spiral galaxy to the Milky Way and is on a collision course with it.

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What is the role of dark matter in galaxies?

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Dark matter is a form of matter that does not emit light or energy, and it is believed to make up a significant portion of the mass in galaxies, influencing their structure and behavior.

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What is a galaxy cluster?

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A galaxy cluster is a large group of galaxies held together by gravity, often containing hundreds to thousands of galaxies.