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The observable universe is defined as consisting of all the matter which can be seen from Earth by way of electromagnetic radiation...
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Not quite a bolthole. Not even close actually. And warming Mars is very hypothetical.
It doesn't address the extreme cost of getting...
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This is a very bad post. Written by somebody that does not know anything in agriculture, and on the subject. A very shallow piece.
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The whole idea of human settlements on the Moon or Mars is remarkably stupid. The cost for getting things up and running are, to say the...