The word Universe
dominates all living and non-living things. In the meaning of the Universe,
the earth and all living things of the earth, humans,
animals, plants, flowers, plants and all non-living things, Metals and minerals
and all living and non-living things of sky are included.
The Universe
based on non-living things was called physical Universe
for many years, but now the word cosmos is being used for it. It is not a new
word but an ancient Greek word that means order and arrangement.
The name of the general science of the
physical Universe
is cosmology. It has three major divisions.
1. Cosmogeny
2. Cosmogony
3. Cosmography
1.
Cosmogeny
Cosmogeny is the study of why the Universe
was created. How did it start?
2. Cosmogony
Cosmogony is the
study of the evolutionary stages of the physical Universe.
Why were the stars
formed, where did the galaxies
come from, how did the sun and planets
form, how did the earth come into being, why were the moons
born?
3. Cosmography
It is the knowledge of the structure and
general properties of the physical Universe.
For this purpose, maps and diagrams (Models) are mostly used.
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