Respuesta :
Answer:
Newton's First Law of Motion states that a body in motion keeps the same motion unless acted upon by an outside force. The force of gravity causes the moving planets to travel in roughly circular orbits around the sun.
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Explanation:
Answer:
The reason why the planets don't collide with the sun is inertia. Inertia is a resistance to movement. The reason why the planets are even orbiting the Sun is that the Sun is pulling the planets in.