Question

total universe is classified into seven groups this opinion was expressed by

Answer 1

Answer:

It was expressed by C. V. Raman.

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Answer 2

Answer:

"Nicolaus Copernicus" is the one who expressed his view in classification of the universe in general.

Explanation:

• Nicolas Copernicus is the one who granted the solar system and its planetary movement.
• And also expressed that the 'planets revolve around the sun'.
• He also featured the sun centric system that is the sun is at rest. Thereby the universe classification were also made its highest remarkable contribution to the "field of astronomy".
• He published the book, "De Revolutionibus Orbium Coelestium" with all his theories.