@michael_nielsen The New World had a favorable climate and, possibly gold and spices. Mars, not so attractive.
Don't understand statements like this. S'one in the 12th century had a better case against round-the-world sailingpic.twitter.com/9oJpK47RTK
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@michael_nielsen I think we may send up a couple of explorers, but I can't imagine there would ever be enough incentives for colonists.
End of conversation
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@michael_nielsen Doesn't that just point out that our attitude towards risk and human life is not the same as theirs?Thanks. Twitter will use this to make your timeline better. UndoUndo
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