Gravity is the curvature of the fabric of space, according to Einstein's theories. The Earth orbits the Sun in an ellipse, balancing the inward effect of gravity with the inertia to keep moving in a straight line. | Mensa Saskatchewan

Is gravity a force? It's complicated

What Is a Gravitational Wave? | NASA Space Place – NASA Science for Kids

How Gravity Works on Earth & in the Universe | Britannica

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