Chemistry, 16.01.2021 02:00 mccarthyrookie6491

Objects in the universe vary in their composition. Which of the following best describes the composition of a galaxy? A. A solar system containing more than one star larger than our sun

B. A collection of asteroids, dust, and gases orbiting each other in space

C. An unidentified object in space that can be seen using a powerful telescope

D. A collection of billions of stars and their satellites held together by gravity

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