A colony for humans to live in space! What will it be like? What size will it be? How beautiful is it? What is the size? What will be its design? …These are not dreams for tomorrow. These are dreams...
The Wallace Marineris is a system of gorges passing through the surface of Mars east of the Tarsis region. At over 4,000 km long, 200 km wide and up to 7 km deep, the Valles Marineris is one of the...
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