failed star
- brown dwarfSubstellar object, no fusion
- JupiterLargest solar system planet
- gas giantHydrogen-helium planetary body
- dimLow in light
- coldLow temperature state
fusion · hydrogen · deuterium · substellar · infrared · massive · planet · celestial · faint · dwarf · core · gravity · collapse · mass · cool · dense · atmosphere · methane
- substellar objectsbrown dwarf, rogue planet
stellar success
failed starstar
Luminous astronomical object
sun · red dwarf · yellow dwarf · blue giant · supergiant
mass/energy output
failed starsupergiant
Huge luminous evolved star
hypergiant · blue supergiant · massive star · quasar · bright star