Question

4
Geocentric Model
Heliocentric Model
A)
Drag each item to the correct location.
(2 points)
A)
Why does the speed of a planet decrease as it moves away from the sun?
(1 point)
The direction of the sun’s pull relative to the planet’s motion changes.
The planet’s inertia begins to point inward toward the sun.
The sun’s gravitational pull on the sun decreases.
The planet’s inertia begins to point backward along its orbit.
Includes eight planets. 
Earth is at the center of the solar system. 
The Sun is at the center of the solar system. 
Includes five planets. 
The orbits of the planets are elliptical. 
The orbits of the planets are circular.

1 answer

Drag each item to the correct location:

Geocentric Model

  • Earth is at the center of the solar system.
  • Includes eight planets.
  • The orbits of the planets are circular.
  • The orbits of the planets are elliptical.

Heliocentric Model

  • The Sun is at the center of the solar system.
  • Includes five planets.
  • The orbits of the planets are elliptical.

Why does the speed of a planet decrease as it moves away from the sun?

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