Pronunciation: (DOO-yoon)
Location: Daedrian Arm, Kiritam Branch, Sector d5
Empire: None
Radius: 3,803 miles
Surface Area: 182M square miles
Volume: 230B cubic miles
Circumference: 23,895 miles

• 5,404,974,378: Duyun is forged by Kajen, the astral smith
• 5,454,832,307: The planets of the Duyun star system are formed by Qijen, the planetary smith
• 5,454,872,361: Planetary oceans in the Duyun star system are formed by Namu, Sura of the seas
• 5,476,352,042: Fungal and plant life spread to the Duyun star system
• 5,477,173,497: Animal life spreads to the Duyun star system