Oh sure. Colonies on Mars are a complete fantasy right now. They start and end with Mars's lack of a magnetic field.
could we create a self-sufficient habitat underwater? Probably. But given that it would lack key abilities (heavy industry for example) it would inevitably decay (Probably quite quickly.)
could we create a self-sufficient habitat underwater? Probably. But given that it would lack key abilities (heavy industry for example) it would inevitably decay (Probably quite quickly.)