Things in space with U

• Universe

  The entirety of space itself—definitely fits.

• Uranus

  A real planet in our solar system.

• Ultraviolet light

  Real electromagnetic radiation found in space.

• Ultraviolet rays

  Starlight includes UV rays—a real space thing.

• Umbra

  Eclipse shadow region in space—totally valid.

• Ursa Major

  A well-known constellation in the night sky.

• Ursa minor

  A real constellation; fits the space theme.

• UV rays

  Common space radiation from stars—valid.

• Uniforms
• uniform
• ugly aliens
• Utter
• Ultraviolet radiation
• UV radiation
• UV light
• Advertisement
• unknown planets
• Ugly rocks
• USS Enterprise
• ultra violet rays
• Ultraviolet
• Ukraine
• Utilities
• Utensils
• Ursula Minor
• unit
• uncles

The words in the list Things in space with U come from players of the word game Categories game.