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Comment

. 2005 Jun;5(3):331-2.

doi: 10.1089/ast.2005.5.331.

Cutting anthropic knots and the rise of O2

PMID: 15941379
DOI: 10.1089/ast.2005.5.331

Comment

Cutting anthropic knots and the rise of O2

Norman H Sleep. Astrobiology. 2005 Jun.

. 2005 Jun;5(3):331-2.

doi: 10.1089/ast.2005.5.331.

Author

PMID: 15941379
DOI: 10.1089/ast.2005.5.331

No abstract available

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Finding a second sample of life on earth.
Davies PC, Lineweaver CH. Davies PC, et al. Astrobiology. 2005 Apr;5(2):154-63. doi: 10.1089/ast.2005.5.154. Astrobiology. 2005. PMID: 15815166 Review.
Why O2 is required by complex life on habitable planets and the concept of planetary "oxygenation time".
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