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Voyage’s model Sun at the one to 10-billion scale. The diameter of the model is 13.92 cm (5.5 inches). The real Sun is ten billion times larger, with a diameter of 1,392,000 km (863,000 miles). On this scale the model Earth is 1.3 mm (0.05 inches) in diameter, located 15 m (49 feet) west of the model Sun. |