Related Clues:

• Clark Kent's newspaper
• Lois Lane's employer
• Ring feature
• Evening star, e.g.
• Earth, for one
• "___, won't you?" (query from old commercials for The Jetsons)
• Pluto, until recently
• Lonely ___
• World
• Source of energy, in astrology
• Pluto, once
• Diamond or ruby
• Set piece?
• Krypton or Vulcan
• Uncut ruby, e.g.