Cosmology vs astronomy. Astronomy is the study of the universe and what resides outside of the Earth’s atmosphere (such as stars, galaxies, nebulae, etc. Astronomers examine the positions, motions, and properties of these celestial objects. Cosmology is a subset and branch …
cosmology vs astronomy
Cosmology vs astronomy. Astronomy is the study of the universe and what resides outside of the Earth’s atmosphere (such as stars, galaxies, nebulae, etc. Astronomers examine the positions, motions, and properties of these celestial objects. Cosmology is a subset and branch of astronomy, but it looks specifically at the origin and evolution of the universe. It focuses on key phenomena like the Big Bang through to occurrences today and expectations in the future.
If you are intrigued about the evolution and motion of celestial bodies (planets, stars, nebulae, black holes, etc), then astronomy
would be the way to go. If you are curious about the whole universe, and its origin & future, then cosmology would be up your alley.
What is cosmology in astronomy?
Cosmology is a field of study that combines the natural sciences, particularly astronomy, and physics, in a joint effort to understand the physical universe as a unified whole.
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Astronomy is one of the oldest sciences and its origin can be traced back to the dawn of human appearance. The science developed
out of curiosity when the early man began to trace the paths of stars and planets in the skies and understood the repetitive patterns
of their motions what we now call orbital motion.
Astronomy is often used as an umbrella term to refer to different sub-categories of studies like observational astronomy, radio
astronomy, planetary astronomy, and astrobiology. It is more about our galaxy and solar system. Cosmology on the other hand
studies the origin and development of the universe.
It tries to solve the puzzle of how the universe was born and how time began. It is concerned more about its formation, development
, and how it will end by considering the complete universe as a whole. So the basic difference between astronomy and cosmology
refers to the scale of the universe that is undertaken for study.
Cosmology is a specific branch of astronomy that looks at the universe in its entirety. The field of study has been shaped by mathematics, observation, and analysis.
The word Cosmology comes from the Greek word: ‘cosmologia’ which translates in English to: (orderly arrangement, ornaments) + ‘logos’ (word, reason, plan).
The Universe has been studied throughout history and involves at least three disciplines: physical (science), religion, and philosophy.