Answer:
The term Big Bang defines that the Universe has expanded from the ancient hot and thick primary situation at some fixed time in the past.
Big Bang theory refers to the origin of the Universe. In the beginning, universe is very heavy and small hot ball of matter. It was a point no bigger than the head of a pin when all the things squished with each other and universe is expanded with huge explosion of energy. Due to expansion, it is cooled and results in the formation of Stars and galaxies. After sometime, atoms formed like helium and hydrogen.
Thus, statement (1), (3) and (4) is correct whereas statement (2) and (5) is incorrect. the right answer is - (It expanded slowly), (Stars and galaxies formed,) (Atoms such as hydrogen and helium formed.)
Explanation:
The statement 'stars and galaxies formed' is accurate about how the universe came to be according to the big bang theory.
The big bang theory is a widely accepted theory in physics that intends to understand the origin of the universe.
According to this theory, the universe started with a hot and dense single point that progressively inflated and stretched.
The big bang theory has two major principles:
The big bang theory postulates that this phenomenon occurred approximately 13 billion years ago.
In conclusion, the statement 'stars and galaxies formed' is accurate about how the universe came to be according to the big bang theory.
Learn more about the big bang theory here:
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