SOLAR SYSTEM

Detailed explanation-1: -The term inertia may also refer to the resistance of any physical object to a change in its velocity. This includes changes to the object’s speed or direction of motion. An aspect of this property is the tendency of objects to keep moving in a straight line at a constant speed when no forces act upon them.

Detailed explanation-2: -Inertia is a property of matter in which an object or mass resists any change in its velocity, or speed and direction. That is, matter will tend to keep moving in the same direction at a constant speed when there are no forces or other matter to influence change.