Why was the Copernican model a controversial proposition? Select the three correct answers.(2 points)

Question

Responses

It was not supported by observations.
It was not supported by observations.

It contradicted religious doctrine of the time.
It contradicted religious doctrine of the time.

It was a complex model.
It was a complex model.

It was mostly incorrect.
It was mostly incorrect.

It demoted Earth to just another planet.
It demoted Earth to just another planet.

It contradicted established scientific understanding.

Answer 1

It contradicted religious doctrine of the time.
It demoted Earth to just another planet.
It contradicted established scientific understanding.

Answer 2

Which of the eight planets in the solar system has the most elliptical orbit?(1 point)
Responses

Mars
Mars

Mercury
Mercury

Earth
Earth

Venus

Answer 3

Mercury

Answer 4

Which statement about the development of Newton's theory of universal gravitation is correct?(1 point)
Responses

The ideas of scientists such as Nicolaus Copernicus and Robert Hooke contradicted Newton's theory of universal gravitation.
The ideas of scientists such as Nicolaus Copernicus and Robert Hooke contradicted Newton's theory of universal gravitation.

Isaac Newton described the existence of gravitational force mathematically, but he built upon the ideas of other scientists before him.
Isaac Newton described the existence of gravitational force mathematically, but he built upon the ideas of other scientists before him.

Isaac Newton was the first scientist to propose the idea that gravity increases as distance between objects decreases.
Isaac Newton was the first scientist to propose the idea that gravity increases as distance between objects decreases.

Johannes Kepler and Isaac Newton worked together to define gravity as a force on Earth.

Answer 5

Isaac Newton described the existence of gravitational force mathematically, but he built upon the ideas of other scientists before him.

Answer 6

Select the correct answer to complete the sentence. Gravitational force is said to be universal because:(1 point)
Responses

it applies to all objects.
it applies to all objects.

it operates in one direction.
it operates in one direction.

it operates only within our solar system.
it operates only within our solar system.

it applies mainly to planets and moons.

Answer 7

it applies to all objects.

Answer 8

Why does the speed of a planet decrease as it moves away from the sun?(1 point)
Responses

The planet’s inertia begins to point backward along its orbit.
The planet’s inertia begins to point backward along its orbit.

The sun’s gravitational pull on the sun decreases.
The sun’s gravitational pull on the sun decreases.

The planet’s inertia begins to point inward toward the sun.
The planet’s inertia begins to point inward toward the sun.

The direction of the sun’s pull relative to the planet’s motion changes.

Answer 9

The direction of the sun’s pull relative to the planet’s motion changes.