Simple categories matching luminous:

• body,
• tracer,
• device,
• star,
• object,
• event,
• matter,
• primary,
• tubing,
• galaxy,
• gas,
• phenomenon,
• gem,
• subject,
• thing,

Members with property luminous:

• chandelier,
• sun,
• star,
• bioluminescence,
• halo,
• aurora,
• ob_star,
• elves,
• electric_lamp,
• incandescent_lamp,
• sprites,
• pistol_star,
• halo_star,
• gas,
• local_star,
• chemiluminescence,
• dark_star,
• fire,
• lightning,
• red-hot_steel,
• solid,
• krypton,
• quasar,
• rare_gas,
• red_supergiant,
• galaxy,
• bulb,
• neon_tubing,
• satellite,
• lamp,
• diamond_ring,
• diode,
• red_sprite,
• brown_dwarf,
• moon,
• gem,
• planet,
• jet,
• neon,
• massive_star,
• nebula,
• argon,
• spark,
• fluorescent_specimen,
• ray,
• maritime_museum,
• dwarf_galaxy,
• tower,
• troll,
• crt,
• radio_galaxy,
• comet,
• satellite_galaxy,