ET: where are they all hiding?

Source: Astronomy & Geophysics, Volume 52, Number 6, 1 December 2011 , pp. 6.06-6.06(1)

Publisher: Wiley-Blackwell

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No‐one has yet found artefacts from an alien civilization, but have we looked hard enough?

Document Type: Research Article


Publication date: December 1, 2011

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