EntityQ824852· pop 22· linked from 225 articlesOberth effectSign in to savemaneuver in which a spacecraft falls into a gravitational well, and then accelerates when its fall reaches maximum speedConnectionsapsisEntityretrograde motionEntityorbital mechanicsEntitynear-equatorial orbitEntityNASAConceptrocketEntityWayback MachineEntityspacecraftEntityorbitEntityconservation of energyEntityworkEntitydigital object identifierEntitykinetic energyEntitycombustionEntityphysicistEntityKepler's laws of planetary motionEntityLagrangian pointEntityastronauticsEntityescape velocityEntityscalar productEntityCategoriesAerospace engineeringAstrodynamicsRocketry