SOLAR SYSTEM

UNIVERSE

CELESTIAL MECHANICS

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Which orbital mechanics historical figure was known for still assuming the motion of orbits to be circular, even though his accurate measurements proved his assumption to not be strictly accurate?

A	Nicolaus Copernicus
B	Tycho Brahe
C	Johannes Kepler
D	Robert Hooke
E	Isaac Newton

Explanation:

Detailed explanation-1: -Knowing then that the orbits of the planets are elliptical, johannes Kepler formulated three laws of planetary motion, which accurately described the motion of comets as well. Kepler’s First Law: each planet’s orbit about the Sun is an ellipse.

Detailed explanation-2: -Nicolaus Copernicus (1473–1543) was a mathematician and astronomer who proposed that the sun was stationary in the center of the universe and the earth revolved around it.

Detailed explanation-3: -Nicolaus Copernicus proposed his theory that the planets revolved around the sun in the 1500s, when most people believed that Earth was the center of the universe.

Detailed explanation-4: -Nicolaus Copernicus contributed the heliocentric model to the Scientific Revolution. Copernicus argued that it made more sense to place the sun, not the Earth, in the middle of the solar system to explain the motion of the planets.

There is 1 question to complete.