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Whirl is a Jovian gas planet orbiting Barnard's Star alongside Barnard's World[1]. It once home to the semi-sentient species called zeplins and other Jovian lifeforms (such as the Montgolfiers) who lived in the planet's cloud towers.

The Consul once held a diplomatic position on Whirl where he had a role in driving the Zeplin to extinction.[2]


  1. The Rise of Endymion, 1995, Chapter 9
  2. Hyperion, 1995. 465.