>Honestly, probably the realistic view is that it never makes sense to colonize, or even send long-term human presence to, any planet besides Earth. I think it

>Honestly, probably the realistic view is that it never makes sense to colonize, or even send long-term human presence to, any planet besides Earth. I think it could make sense when we have robots that are able to mine material and construct habitats without requiring human supervision. Just build the robots, drop them off on Venus, Mars, etc, then come back in 30 years and sell condos.