We get why colonizing Mars is so appealing. We have even discussed why this could be a great idea. As Elon Musk so cogently put it, "Humans need to be a multi-planet species." Nevertheless, as you have probably guessed, today we are going to look at some of the alternatives to Mars, places which are close neighbors to our home planet and could operate as strategic bases or potential long term homes.
But first, let's get one question out of the way. Why is Mars so appealing?
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