Bertka , C.M. (ed.) ( 2009 ). Exploring the Origin, Extent and Nature of Life: Philosophical, Ethical and Theological Perspectives. Cambridge University Press , Cambridge .

Birkbeck College ( 2017 ). Introduction to astrobiology. ). Introduction to astrobiology. http://www.bbk.ac.uk/study/modules/easc/EASC064H5 (accessed ).

Bohm , D. ( 1996 ) On Creativity. Routledge , Abingdon .

Cabrera , L. (ed.) ( 2011 ). Global Governance, Global Government: Institutional Visions for an Evolving World System. State University of New York Press , Albany .

Chambers , R. ( 1844 ). Vestiges of the Natural History of Creation. John Churchill , London .

Chambers , R. ( 1845 ). Explanations: A Sequel to Vestiges of the Natural History of Creation. John Churchill , London .

Christian , D. ( 2004 ). Maps in Time: An Introduction to Big History. University of California Press , New York .

Christian , D. ( 2017 ). What is big history? J. Big Hist. 1 , 4 – 19 .

Connell , K. , Dick , S.J. & Rose , K. ( 2000 ). Workshop on the Societal Implications of Astrobiology: Final Report. NASA Technical Memorandum, NASA Ames Research Center, Moffett Field, CA. ). Workshop on the Societal Implications of Astrobiology: Final Report. NASA Technical Memorandum, NASA Ames Research Center, Moffett Field, CA. http://www.astrosociology.org/Library/PDF/NASA-Workshop-Report-Societal-Implications-of-Astrobiology.pdf (accessed ).

Crawford , I.A. ( 2010 ). Astrobiological benefits of human space exploration . Astrobiology 10 , 577 – 587 .

Crawford , I.A. ( 2013 ). Widening perspectives. EPSC Abstracts 8 , p. 256 .

Crawford , I.A. ( 2014a ). Avoiding intellectual stagnation: the starship as an expander of minds . J. Br. Interplanet. Soc. 67 , 253 – 257 .

Crawford , I.A. ( 2014b ). Interplanetary federalism: maximising the chances of extraterrestrial peace, diversity and liberty . In The Meaning of Liberty beyond Earth , ed. Cockell , C.S. , pp. 199 – 218 . Springer , Dordrecht .

Dick , S.J. & Lupisella , M.L. (eds) ( 2009 ). Cosmos & Culture: Cultural Evolution in a Cosmic Context. NASA SP-2009-4802.

Holmes , R. ( 2008 ). The Age of Wonder. Harper Press , London .

Impey , C. , Spitz , A.H. & Stoeger , W. (eds) ( 2013 ). Encountering Life in the Universe: Ethical Foundations and Social Implications of Astrobiology. University of Arizona Press , Tucson .

International Space Exploration Coordination Group (ISECG) ( 2013 ). The Global Exploration Roadmap. ). The Global Exploration Roadmap. http://www.globalspaceexploration.org/web/isecg/news/2013-08-20 (accessed ).

Kemp , M. ( 2009 ). Dissecting the two cultures . Nature 459 , 32 – 33 .

Offerdahl , E. ( 2013 ). A scientifically minded citizenry: the ethical responsibility of all scientists . In Encountering Life in the Universe: Ethical Foundations and Social Implications of Astrobiology , ed. Impey , C. , Spitz , A.H. & Stoeger , W. , pp. 222 – 235 . University of Arizona Press , Tucson .

Poole , R. ( 2008 ). Earthrise: How Man First Saw the Earth. Yale University Press , New Haven .

Race , M. , Denning , K. , Bertka , C.M. , Dick , S.J. , Harrison , A.A. , Impey , C. & Mancinelli , R. ( 2012 ). Astrobiology and society: building an interdisciplinary research community . Internat. J. Astrobiology 12 , 958 – 965 .

Sagan , C. ( 1994 ) Pale Blue Dot: A Vision of the Human Future in Space. Random House , New York .

Snow , C.P. ( 1959 ). The Two Cultures. Cambridge University Press , Cambridge .

Spier , F. ( 2010 ). Big History and the Future of Humanity. Wiley–Blackwell , Hoboken .

Stoeger , W.R. ( 2013 ). Astrobiology and beyond: from science to philosophy and ethics . In Encountering Life in the Universe: Ethical Foundations and Social Implications of Astrobiology , ed. Impey , C. , Spitz , A.H. & Stoeger , W. , pp. 56 – 79 . University of Arizona Press , Tucson .

Uglow , J. ( 2002 ). The Lunar Men. Faber and Faber , London .

von Humboldt , A. ( 1845 ). Cosmos: A Sketch of a Physical Description of the Universe. English Trans., Vols. I, II, E.C. Otté (1850). Harper & Brothers , New York .

Wells , H.G. ( 1925 ). The Outline of History , Revised edn. Waverley Book Company , London .

Whelpley , J.D. ( 1846 ). Review of cosmos . Am. Rev. 3 , 598 – 610 .

White , F. ( 2014 ). The Overview Effect: Space Exploration and Human Evolution , 3rd edn . Library of Flight, American Institute of Aeronautics and Astronautics , Reston .

Wilson , E.O. ( 1998 ). Consilience: The Unity of Knowledge. Little, Brown and Company , New York .