We’ve gotten lots of great science from unmanned space probes, the Hubble telescope, etc., but manned space exploration gives very little extra science for a huge extra price tag. What’s the point?
Don’t tell me we’re getting ready to live in space after the Earth becomes uninhabitable. First, any space colony will depend on supplies from Earth for the forseeable future. If our society collapses, the space colony is toast. Second, it’s not credible that the government is planning for the distant future when space colonies can become self-sufficient, when they’re not even bothering to reduce greenhouse gas emissions now!
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