Exo

From Memory Alpha, the free Star Trek reference

Exo is the primary star of the Exo system.

As of 2266, the star had been fading for approximately 500,000 years. This is attributed to the end of the civilization on its third planet. (TOS: "What Are Little Girls Made Of?")

• Exo (primary)
  • Exo I
  • Exo II
  • Exo III