EntityQ2569868· pop 12· linked from 82 articleslaunch loopSign in to saveproposed system for launching objects into orbitConnectionsnon-rocket launchEntityspace colonizationEntityShanghai maglev trainEntityspace tetherEntityEarthConceptMoonConceptironEntityInternational Standard Book NumberEntitynuclear weaponEntityatmosphereEntitykelvinEntitynanotechnologyEntityrocketEntityspaceflightEntityWayback MachineEntitywattEntityspacecraftEntityorbitEntityjouleEntitydigital object identifierEntityCategoriesHypothetical technologyMagnetic levitationMagnetic propulsion devicesMegastructuresNon-rocket spacelaunchSpacecraft propulsionSpace elevatorVertical transport devices