Launch costs compared: Falcon 9, Falcon Heavy, Vulcan Centaur, New Glenn, Neutron, Electron, Ariane 6, Long March, and Starship — list prices, $/kg, and reusability.
Space elevators stretch 35,786 km to geostationary orbit: the physics works, but can carbon nanotubes? Inside JAXA and Obayashi's 2050 build plans.
