EntityQ1211136· pop 22· linked from 313 articlesnuclear thermal rocketSign in to saveform of rocket propulsionConnectionsliquid-propellant rocketEntityneutron temperatureEntitynuclear fusionEntityrocket engineEntityspecific impulseEntityfissile materialEntityinterplanetary spaceflightEntitynuclear propulsionEntityfast-neutron reactorEntityAPR-1400EntityCPR-1000EntityEarthConceptwaterEntityMarsEntityYouTubeConcepthydrogenEntityNevadaEntityheliumEntitygravityEntityNASAConceptCategoriesNuclear spacecraft propulsionSource attribution