What NASA is doing now is the first stage in moving beyond this planet.
First its a robot taking pictures. 10 years from now it is a dozen robots assembling a research station. 20 years from now it is robots building a station habitable by man. 50 years from now a full blown, operations colony on Mars.
Space is much like under water in all ways but distance. 75 years ago, during WWII, a Salman class submarine could only dive to about 250ft. A current sub can operate at more than 800 feet (max depth unavailable). The same thinking applies when you look at space and the way to progress.







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