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What are the spiral arms of the Milky Way made of?

A. Older stars and comets
B. Variable stars
C. Asteroids and comets
D. Younger stars and gaseous nebulae

2 Answers

7 votes

younger stars and gaseous nebulae d is the corrcet answer

User Nzajt
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The spiral arms of the Milky Way are made of younger stars and gaseous nebulae. There are four spiral arms within the Milky Way galactic disc that start at the galaxy's center. The sun is five to 30 parsecs away from the center of the galactic disk.
User Daniel Hildesson
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