GENERAL KNOWLEDGE

GK

THE UNIVERSE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Today’s solar system model is called ____
A
Heliocentric
B
Ptolemaic
C
Geocentric
D
Kepler’s Law
Explanation: 

Detailed explanation-1: -Heliocentrism (also known as the Heliocentric model) is the astronomical model in which the Earth and planets revolve around the Sun at the center of the universe. Historically, heliocentrism was opposed to geocentrism, which placed the Earth at the center.

Detailed explanation-2: -The heliocentric, or Sun-centred, model of the solar system never gained wide support because its proponents could not explain why the relative positions of the stars seemed to remain the same despite the Earth’s changing viewpoints as it moved around the Sun.

Detailed explanation-3: -At the beginning of the 16th century A.D., Nicolaus Copernicus proposed that Earth and all the other planets orbit the Sun. With the Sun at the center, this model is called the heliocentric model or “sun-centered” model of the universe (Figure below).

Detailed explanation-4: -Nicolaus Copernicus was a Polish astronomer and mathematician known as the father of modern astronomy. He was the first European scientist to propose that Earth and other planets revolve around the sun, the heliocentric theory of the solar system.

There is 1 question to complete.