9
QuizMultiple Choice

The Inner Planets — Quiz

Question 9 • Earth and Space Science

Imagine scientists discover a new planet with the following properties: Orbit inclination: 0.2° Orbit shape: circular Direction: prograde Gravity: moderate Determine how this planet would compare to the existing inner planets in terms of navigation assistance.

Answer

Correct Answer:

It would provide moderate navigation assistance—its nearly planar, circular prograde orbit is favorable, but its moderate gravity makes it less powerful than Venus.

Imagine scientists discover a new planet with…