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galaxies

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QuestionAnswer
What is the universe? all of space and everything in it
How old is the universe? about 13.8 billion years old
What is a galaxy? a huge system of millions or billions of stars and gas and dust held together by gravity
How any different types of galaxies are their? 3
What galaxy so we live in? the milky way
What is a galaxy that looks like a spiral called? a spiral galaxy
What is a galaxy that looks like a oval called? elliptical galaxy
What is a galaxy that has no shape to it called? irregular galaxy
What do many spiral galaxy's have in the core black holes
How many of the known galaxies are classified as irregular galaxies 5%
Created by: Jnewman1696
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