Tycho City is the capital on Earth's satellite, The Moon. It was established around 2033 CE around the early expansion of human presence in the Sol System. Construction began around late 2020s, and first stage of the construction was completed in 2033 CE. It continued to be expanded throughout the 21st century and many humans were relocated to this city from Earth during the near extinction-level event that was about to happen in the 2060s. The location of the city is within a lunar crater of the same name.

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