Choose two objects from the illustration. Based on the scene, how might these objects be in motion and a reference point at the same time?

c- cold periods in earth's history during which glaciers covered much of the surface.

explanation:

distance, luminosity, brightness, radius, chemical composition, and temperature

i don't see a text, but i am gonna assume this *orbit* the curved path, usually elliptical, described by a planet, satellite, spaceship, etc., around a celestial body, as the sun.

it would be a gas formation