![]() Without even noticing, just as astronomy entered a golden age most people cut themselves off from the sky, a cosmic isolationism that ended only with the dawn of space exploration.β ![]() New generations grew to maturity wholly ignorant of the sky that had transfixed their ancestors and that had stimulated the modern age of science and technology. As technology developed and the cities were polluted, the nights became starless. In the last few decades, a major fraction of the human population has abandoned a rustic way of life. In the last few thousand years they began building and emigrating to the cities. ![]() ![]() For a million years humans had grown up with a personal daily knowledge of the vault of heaven. βAt the very moment that humans discovered the scale of the universe and found that their most unconstrained fancies were in fact dwarfed by the true dimensions of even the Milky Way Galaxy, they took steps that ensured that their descendants would be unable to see the stars at all. ![]()
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