Solar System model
000,000,000 0.7 m 0.6 cm 75 m 2.9 km permanent; walkable (est. 2000)
Rymdpromenaden
("Spacewalk") Gothenburg, Sweden 2,000,000,000 0.7 m 0.6 cm 75 m 3 km...
38 KB (1,239 words) - 04:02, 5 September 2024
