What do you mean by "this"? Do you mean heliocentric model, that is, with Sun at the center and all the planets (including the Earth) surrounding it and circling around it?
Then the correct answer is:
Nicolas Copernicus, a Polish Astronomer
GS mini to get the of this question about what I don't think so but he was not do you want me feel better I think he is eating ok ustad is the name
The date, yes. The holiday, no. America got its independence from Britain.
Answer: Option (a)
Explanation:
Sovereignty is referred to as or known as the full control of power and authority of the governing body over oneself, without any further interference from the outside bodies or sources. In the political theory, the sovereignty is referred to as the substantive term which tends to designate supreme control over some polity.