9: Gravity - Curved Spacetime in Action Last updated Save as PDF Page ID 57748 Edwin F. Taylor & John Archibald Wheeler Massachusetts Institute of Technology via Self-Published (via W. H. Freeman and Co.) 9.1: Gravity in Brief 9.2: Galileo, Newton, and Einstein 9.3: Local Moving Orders for Mass 9.4: Spacetime Curvature 9.5: Parable of the Two Travelers 9.6: Gravitation as Curvature of Spacetime 9.7: Gravity Waves 9.8: Black Hole 9.9: The Cosmos