EntityQ3782028· pop 6· linked from 174 articlesHH 30Sign in to saveprotoplanetary disk in the Taurus molecular cloudConnectionsH-alphaEntityEarthConceptstarEntityironEntityyearEntityhydrogenEntitynitrogenEntitysulfurEntityneonEntityconstellationEntitykelvinEntityastronomical unitEntityHubble Space TelescopeEntitycarbon monoxideEntitydigital object identifierEntityTaurusEntityJames Webb Space TelescopeEntityInternational Standard Serial NumberEntityparsecEntitybinary starEntityCategoriesAstronomical objects discovered in 1974Circumstellar disksM-type main-sequence starsTaurus (constellation)T Tauri stars