Biology
Biology, 27.09.2019 23:40, Will1119

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

answer
Answers: 2

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What are the spiral arms of the milky way made of?

a. older stars and comets
b....

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