GK
THE UNIVERSE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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a scientist who studies the universe
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a galaxy in which the stars and gas clouds are concentrated mainly in one or more spiral arms
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the science of the origin and development of the universe
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the force of attraction between all masses in the universe
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Detailed explanation-1: -Cosmology is a branch of science which studies the evolution of our universe. A scientist who studies cosmology is called a cosmologist. Cosmologists want to know what the universe was like billions of years ago. They want to understand how it is today.
Detailed explanation-2: -Cosmology studies how the history of the universe led to the stars, galaxies, and other features we can observe today. Cosmology is the study of the origin, development, structure, history, and future of the entire universe.
Detailed explanation-3: -/kɑːzˈmɑː.lə.dʒɪst/ someone who studies the nature and origin of the universe: Cosmologists have used satellites and probes to help determine the age of the universe. Cosmologists are beginning to converge on what they call a “standard model” of the universe.