Concept explainers
What is likely the major component of our universe?
The major component of our universe
Answer to Problem 20RQ
The major component consists of normal matter, dark matter, and dark energy. About 5% of this universe contains normal matter,
Explanation of Solution
The whole universe is considered to be made up of three substances: normal matter, dark matter, and dark energy. In normal matter, there are various atoms present to make up the celestial bodies such as stars, planets, and human beings. This is also known as visible matter in the universe and occupies about 1 to 10% of this universe.
After visible matter in this universe, the other substance that occupies the greater portion is the dark matter. Dark matter is the substance that is invisible and is yet a mystery to the scientist. The current instruments are failed to see the dark matter. Various theories are proposed to give a different perspective about the dark matter; the dark matter has a gravitational effect on the other visible matter in the universe. Dark matter consumes 25% of the universe.
The major component, according to the currently popular model of the universe suggests that 70% of the universe is thought to be the dark energy and is a mysterious energy present in the universe.
Conclusion:
Therefore, the major component consists of normal matter, dark matter, and dark energy. About 5% of this universe contains normal matter,
Chapter 34 Solutions
Conceptual Physical Science Explorations
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