Should the next goal of human spaceflight be building a base on the Moon, as a stepping stone to Mars, or should we aim directly at Mars? The debate continues.
If the ultimate point is "simply" to explore Mars, then going there directly makes some sense. However, lunar advocates often present a wider vision. Not only would settling the Moon develop technologies for Mars, but it would allow us to bring ET resources into the human economy, allowing us to build a society with the wealth to tackle poverty, climate change, pollution.
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