Which of the following best describes what we mean by the universe?

A. The universe is another name for our Milky Way Galaxy.

B. All the galaxies in all the superclusters

C. A vast collection of stars that number as many as the grains of sand on all the beaches on Earth

D. The sum total of all matter and energy

Question

Cotton

Physics

23 April, 00:56

Which of the following best describes what we mean by the universe?

A. The universe is another name for our Milky Way Galaxy.

B. All the galaxies in all the superclusters

C. A vast collection of stars that number as many as the grains of sand on all the beaches on Earth

D. The sum total of all matter and energy

+4

Answers (1)

Know the Answer?

Albert Mills · Answer 1

D. The sum total of all matter and energy

Explanation:

The universe is defined as a closed system that contains all forms of energy and matter. Therefore, includes the so-called dark matter and dark energy, which make up most of the universe, since ordinary matter would only represent just over 5% of the total.