Peladine was the capital planet of a Lyran duke, Roshak. It was known to have a 10-hour day and a 240-day year. Its native inhabitants were known as the Ranel. A teacher strike engulfed the entire planet, prompting both Lyran Starfleet Command and the Lyran Senate to act. Seirauna University was the best university on the planet for industrial design. (Star Trek: The Stoneship Files: "Educational Armageddon")