EntityQ1396484· pop 21· linked from 709 articlesasteroid impact avoidanceSign in to savemethods to prevent destructive asteroid hitsConnectionsInstitute of Electrical and Electronics EngineersEntitynear-Earth objectEntityComet Shoemaker–Levy 9EntityUnited Nations Committee on the Peaceful Uses of Outer SpaceEntityNASAConceptUnited States CongressEntitymomentumEntityUnited States Air ForceEntityextinction eventEntityChina National Space AdministrationEntityhazardEntityDouble Asteroid Redirection TestEntityLincoln Near-Earth Asteroid ResearchEntityWide-field Infrared Survey ExplorerEntityRusty SchweickartEntityEuropean Telecommunications Standards InstituteEntityEd LuEntityHeraEntityInstituto Nacional de Técnica Aeroespacial Esteban TerradasEntitySpace and Upper Atmosphere Research CommissionEntityCategoriesAsteroidsEarthFuture problemsImpact eventsPlanetary defensePreventionSpace weapons