If we sensibly look after what we have already we won't need other planets. No problem with space travel - I saw the first moon landing! JV
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If we sensibly look after what we have already we won't need other planets. No problem with space travel - I saw the first moon landing! JV
For me it's more a combination of risk mitigation (not keeping our eggs all in one basket) and a need to explore.
Very sensible. Stick to it!