B. they orbit the sun and shine by reflecting light
This option describes a key characteristic of all planets in our solar system. They orbit the sun and do not generate their own light but reflect the light from the sun.
Which of the following is a key characteristic of all planets?
A. they are made up of mostly ice and dust
B. they orbit the sun and shine by reflecting light
C. they are small rocky objects the burn upon entering Earth's atmosphere
D. they have a tail that extends as it moves through space
1 answer