These Incredible Gravity Defying Things Will Make You Look Twice

It was responsible for matter clumping together to form clouds of gas that underwent gravitational collapse, forming the first stars – which were then drawn together to form the first galaxies. And within individual star systems, it caused dust and gas to coalesce to form the planets. It also governs the orbits of the planets around stars,  of moons around planets, the rotation of stars around their galaxy’s center, and the merging of galaxies.