Types of Galaxies

Front

What are the three main types of galaxies?

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Spiral, Elliptical, and Irregular.

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What is a Spiral Galaxy?

Back

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

Front

What is an Elliptical Galaxy?

Back

A galaxy shaped like a flattened sphere, with older stars and little gas and dust.

Front

What is an Irregular Galaxy?

Back

A galaxy that does not have a distinct regular shape, often chaotic in appearance.

Front

What is the Milky Way Galaxy?

Back

The spiral galaxy that contains our Solar System.

Front

What is the primary component of galaxies?

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Stars, dust, and gas held together by gravity.

Front

Where is our Sun located in the Milky Way Galaxy?

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In one of the arms of the spiral galaxy, not at the center.

Front

What is the role of gravity in galaxies?

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Gravity holds the stars, gas, and dust together, preventing them from drifting apart.

Front

What distinguishes a Spiral Galaxy from an Elliptical Galaxy?

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Spiral galaxies have arms and are more active in star formation, while elliptical galaxies are more uniform and contain older stars.

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Can galaxies collide?

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Yes, galaxies can collide and merge, leading to new star formation.