What is a spiral galaxy?
Types of Galaxies

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Science
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6th - 8th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
A spiral galaxy is a type of galaxy characterized by its spiral arms that wind outward from the center. They often contain young stars, gas, and dust.
2.
FLASHCARD QUESTION
Front
What is an elliptical galaxy?
Back
An elliptical galaxy is a type of galaxy that has an ellipsoidal shape and lacks the distinct features of spiral galaxies. They are mostly made up of older stars and have little gas and dust.
3.
FLASHCARD QUESTION
Front
What is an irregular galaxy?
Back
An irregular galaxy is a type of galaxy that does not have a distinct regular shape. They often contain a lot of gas and dust and are sites of active star formation.
4.
FLASHCARD QUESTION
Front
What is a barred spiral galaxy?
Back
A barred spiral galaxy is a type of spiral galaxy that has a central bar-shaped structure made of stars. The spiral arms extend from the ends of the bar.
5.
FLASHCARD QUESTION
Front
Name the four main types of galaxies.
Back
The four main types of galaxies are spiral, elliptical, irregular, and barred spiral.
6.
FLASHCARD QUESTION
Front
What is the Milky Way?
Back
The Milky Way is a barred spiral galaxy that contains our solar system and is one of the billions of galaxies in the universe.
7.
FLASHCARD QUESTION
Front
How do galaxies form?
Back
Galaxies form from the gravitational attraction of matter in the universe, leading to the clumping of gas and dust, which eventually coalesces into stars and galaxies.
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