Living in Space
Astronomy's Shocking Twist, Technical Book AST-T3
O'Neill cylinders, Venus floating cities, lunar, asteroid, and gas giant moon mining.
More details about this book will be posted here as it develops.
Astronomy's Shocking Twist, Technical Book AST-T3
O'Neill cylinders, Venus floating cities, lunar, asteroid, and gas giant moon mining.
More details about this book will be posted here as it develops.