Types of Galaxies

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What is a Stellar Nebula?

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A Stellar Nebula is a cloud of gas and dust in space where stars are formed.

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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 a Spiral Galaxy?

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A Spiral Galaxy is a type of galaxy characterized by its spiral arms that wind outwards from the center.

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What is an Elliptical Galaxy?

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An Elliptical Galaxy is a type of galaxy that has an oval shape and lacks the distinct arms of spiral galaxies.

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What is an Irregular Galaxy?

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An Irregular Galaxy is a type of galaxy that does not have a defined shape or structure.

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What is a Barred Spiral Galaxy?

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A Barred Spiral Galaxy is a spiral galaxy with a central bar-shaped structure made of stars.

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What is a Nebula?

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A Nebula is a cloud of gas and dust in space, often the birthplace of stars.

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What is the Milky Way?

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

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What is the difference between a star and a galaxy?

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A star is a single celestial body that emits light, while a galaxy is a vast collection of stars, gas, dust, and dark matter.

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What is the role of gravity in galaxy formation?

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Gravity pulls together gas and dust to form stars and galaxies.