The Forces that Shape our Universe: Gravity
A Fortunate Universe, Albert Einstein, astronomers, Big Bang, black holes, driving, earth, escape velocity, expansion rate, fine-tuning, fundamental forces, Geraint F. Lewis, GPS systems, gravity, Guillermo Gonzalez, Intelligent Design, Isaac Newton, life, Luke A. Barnes, matter, Moon, nuclear forces, particles, physics, Planetology, planets, universe
One of the most remarkable aspects of our universe is the discovery that just four fundamental forces of nature govern interactions among all particles. Source