Pronunciation: (ree-OOH-gen)
Location: Perseus Arm, Nabhi Branch, Sector f13
Empire: Carragh union
Radius: 4,035 miles
Surface Area: 205M square miles
Volume: 275B cubic miles
Circumference: 25,350 miles

• 6,242,141,907: Ryujhen is forged by Kajen, the astral smith
• 6,250,065,819: The planets of the Ryujhen star system are formed by Qijen, the planetary smith
• 6,250,140,218: Planetary oceans in the Ryujhen star system are formed by Namu, Sura of the seas
• 6,254,735,155: Fungal and plant life spread to the Ryujhen star system
• 6,258,180,324: Animal life spreads to the Ryujhen star system

• Ryujhen I
• Ryujhen II
• Ryujhen III
• Ryujhen IV
• Ryujhen V

Radius: 1,170 miles
Surface Area: 17M square miles
Volume: 7B cubic miles
Circumference: 7,352 miles

Radius: 1,453 miles
Surface Area: 27M square miles
Volume: 13B cubic miles
Circumference: 9,127 miles

Radius: 1,130 miles
Surface Area: 16M square miles
Volume: 6B cubic miles
Circumference: 7,099 miles

Radius: 888 miles
Surface Area: 10M square miles
Volume: 3B cubic miles
Circumference: 5,578 miles

Radius: 1,695 miles
Surface Area: 36M square miles
Volume: 20B cubic miles
Circumference: 10,648 miles