Quiz: How well do you know the civilizations described in 'A Honeymoon in Space'?

Which celestial body described in 'A Honeymoon in Space' is home to inhabitants who communicate through song? 🎶

On which two celestial bodies did the explorers encounter inhabitants described as having lost most human emotions and being purely intellectual or utilitarian? 🤔

Which world's inhabitants were described as living in 'glorified hot-houses' or 'Crystal Palaces' due to their world's dwindling natural resources, and also possessed advanced telescopes that projected magnified images onto large screens? 🔭