Physics, 28.02.2020 00:56 TanishaSchollaert1

Which of the following correctly describes the hierarchy that exists in the universe? (3 points)

A galaxy refers to all existing matter, energy, and space that is held together by gravity.
A galaxy is a collection of planets, their moons, and other objects in orbit around a central star.
A solar system refers to all existing matter, energy, and space that is held together by gravity.
A solar system is a collection of planets, their moons, and other objects in orbit around a central star.

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Which of the following correctly describes the hierarchy that exists in the universe? (3 points)

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