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Forget Mars. Here's Where We Should Build Our First Off-World Colonies.

Forget Mars Here s Where We Should Build Our First Off World Colonies


But is the Red Planet really the best target for a human colony, or should we look somewhere else? Should we pick a world closer to Earth, namely the moon? Or a world with a surface gravity close to Earth’s, namely Venus?

To explore this issue, let’s be clear about why we’d want an off-world colony in the first place. It’s not because it would be cool to have people on multiple worlds (although it would). It’s not because Earth is becoming overpopulated with humans (although it is). It’s because off-world colonies would improve the chances of human civilization surviving in the event of a planetary disaster on Earth. Examining things from this perspective, let’s consider what an off-world colony would need, and see how those requirements mesh with different locations.

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Venus might have similar gravity but the atmosphere is toxic in every way. And hot. Super hot.

The moon sounds like a cool idea. I like that.

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