Category Nuances for planetarium:

• special,
• several,
• modern,
• related,
• educational,
• informal,
• major,
• external,
• separate,
• complementary,
• unique,
• public,
• huge,
• new,
• cultural,
• diverse,

Simple Categories for planetarium:

• facility,
• instrument,
• structure,
• assembly,
• product,
• school,
• building,
• medium,