solar system are the best for human colonies to be built

Why Terraforming Mars Is Bad Idea
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If humanity wants to explore the universe, we’ll have to learn how to colonize and terraform other worlds.

But what exactly would it take to terraform a planet, and do we have the technology to make a planet like Mars comfortable for us?

Discover what stands in our way of terraforming, which places in our solar system are the best for human colonies to be built, and find out how we just created oxygen for the first time on another planet.