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Agata [3.3K]
3 years ago
6

Which of the following correctly describes the hierarchy that exists in the universe? A galaxy refers to all existing matter, en

ergy, 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.
Physics
2 answers:
Mkey [24]3 years ago
6 0
The correct hierarchy would be

-<span>A solar system is a collection of planets, their moons, and other objects in orbit around a central star.

</span><span>-A galaxy refers to all existing matter, energy, and space that is held together by gravity</span>
beks73 [17]3 years ago
3 0
<h3><u>Answer;</u></h3>
  • A galaxy 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.
<h3><u>Explanation;</u></h3>
  • <em><u>The universe contains many galaxies and solar systems.</u></em>
  • <em><u>A galaxy </u></em>is a huge collection of gas, dust, and billions of stars and their solar systems.  A galaxy is held together by gravity. The galaxy that contains the Earth and its solar system is called the Milky Way.
  • <u>Solar System</u> consists of the stars, the Sun, and its orbiting planets, including the Earth, along with numerous moons, asteroids, comet material, rocks, and dust.

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