ESA home page http://sci.esa.int/planck/

Everett H (1957) “Relative state” formulation of quantum mechanics. Rev Mod Phys 29:454–462

Exoplanet Team (2014) http://exoplanet.eu. Accessed 1 April 2014

Faizullin RT (2010) Geometrical joke(r?)s for SETI. arxiv.org/abs/1007.4054

Farmer PJ (1981) The unreasoning mask. Putnam, New York

Feinberg G, Shapiro R (1980) Life beyond earth. Morrow, New York

Fermi L (1954) Atoms in the family. UCP, Chicago

Feynman RP (1959) There’s plenty of room at the bottom. Lecture given to the American Physical Society at Caltech, 29 Dec

Finney BR, Jones EM (eds) (1985) Interstellar migration and the human experience. University of California, Berkeley

Fischer DA et al. (2002) A second planet orbiting 47 Ursae Majoris. Astrophys J 564:1028–1034

FNAL (1998) The universe lives on and rumors of its imminent demise have been greatly exaggerated. www.fnal.gov/pub/ferminews/FermiNews98-06-19.pdf

Fogg MJ (1987) Temporal aspects of the interaction among the first galactic civilizations: the “interdict hypothesis”. Icarus 69:370–384

Fogg MJ (1988) Extraterrestrial intelligence and the interdict hypothesis. Analog 108(10):62–72

Fogg MJ (1995) Terraforming: engineering planetary environments. SAE, New York

Forgan DH (2009) A numerical testbed for hypotheses of extraterrestrial life and intelligence. Int J Astrobiol 8:121–131

Forgan DH (2011) Spatio-temporal constraints on the zoo hypothesis, and the breakdown of total hegemony. Int J Astrobiol 10:341–347

Forgan DH (2013) On the possibility of detecting class A stellar engines using exoplanet transit curves. J Br Interplanet Soc 66:144–154

Forgan DH, Nichol RC (2011) A failure of serendipity: the square kilometre array will struggle to eavesdrop on human-like ETI. Int J Astrobiol 10:77–81

Forgan DH, Papadogiannakis S, Kitching T (2013) The effects of probe dynamics on galactic exploration timescales. J Br Interplanet Soc 66:171–178

Forward RL (1980) Dragon’s egg. Del Rey, New York

Forward RL (1984) Roundtrip interstellar travel using laser-pushed lightsails. J Spacecraft 21:187–195

Forward RL (1990) The negative matter space drive. Analog 110(9):59–71

Foschini GJ (1994) The canonical artefact and its cosmological interpretations. Proc Math Phys Sci 444:3–16

Freitas RAJr (1980) A self-reproducing interstellar probe. J Br Interplanet Soc 33:251–264

Freitas RA Jr (1983a) If they are here, where are they? Observational and search considerations. Icarus 55:337–343

Freitas RA Jr (1983b) The search for extraterrestrial artifacts (SETA). J Brit Interplanet Soc 36:501–506

Freitas RA Jr (1985) There is no Fermi paradox. Icarus 62:518–520

Freitas RA Jr (2000) Some limits to global ecophagy by biovorous nanoreplicators, with public policy recommendations. Available from www.foresight.org/nano/Ecophagy.html

Freitas RA Jr, Valdes F (1980) A search for natural or artificial objects located at the earth-moon libration points. Icarus 42:442–447

French AP (1968) Special relativity. Norton, San Francisco

Freudenthal H (1960) Design of a language for cosmic intercourse. North Holland, Amsterdam

Garcia-Escartin JC, Chamorro-Posada P (2013) Scouting the spectrum for interstellar travellers. Acta Astronaut 85:12–18

Gardner M (1969) The unexpected hanging and other mathematical diversions. Simon and Schuster, New York

Gardner M (1970) The fantastic combinations of John Conway’s new solitaire game “Life”. Sci Am 223:120–123

Gardner M (1977) Mathematical games. Sci Am 237:18–28

Gardner M (1985) The great stone face and other nonmysteries. Skept Inquirer 10(2): 14–18

Gato-Rivera B (2006) The Fermi paradox in the light of the inflationary and brane world cosmologies. Trends in general relativity and quantum cosmology. Nova, New York

Gehrels N, Laird CM, Jackman CH, Canizzo JK, Mattson BJ, Chen W (2003) Ozone depletion from nearby supernovae. Astrophys J 585:1169–1176

Gibson KR, Ingold T (eds) (1993) Tools, language and cognition in human evolution. CUP, Cambridge

Gigerenzer G, Hoffrage U (1995) How to improve Bayesian reasoning without instruction: frequency formats. Psych Rev 102:684–704

Gillon M (2014) A novel SETI strategy targeting the solar focal regions of the most nearby stars. Acta Astronaut 94:629–633

Goldblatt C, Watson AJ (2012) The runaway greenhouse: implications for future climate change, geoengineering and planetary atmospheres. Phil Trans R Soc A 370:4197–4216

Gonzalez G, Brownlee D, Ward PD (2001) Refuges for life in a hostile universe. Sci Am 285(4):60–67

Gordon JE (1991) The new science of strong materials or why you don’t fall through the floor (2nd revised ed.). Penguin, London

Gott JR III (1993) Implications of the Copernican principle for our future prospects. Nature 363:315–319

Gott JR III (1995) Cosmological SETI frequency standards. In Zuckerman B, Hart MH (eds) Extraterrestrials: where are they? CUP, Cambridge

Gott JR III (1997) A grim reckoning. New Scientist 15 Nov pp 36–39

Gould SJ (1985) SETI and the wisdom of Casey Stengel. In: The Flamingo’s smile. Penguin, London

Gould SJ (1986) Wonderful life. Norton, New York

Gowanlock MG, Patton DR, McConnell SM (2011) A model of habitability within the

Milky Way galaxy. Astrobiology 11:855–873

Graham RL, Rothschild BL (1971) Ramsey’s theorem for n-parameter sets. Trans American Math Soc 159:257–292

Gray RH (2011) The elusive wow: searching for extraterrestrial intelligence. Palmer Square, Chicago

Gribbin J (1996) Schrodinger’s kittens. Phoenix Press, London

Gribbin J (2010) In search of the multiverse. Penguin, London

Griffin DR (1992) Animal minds. Chicago University, Chicago

Gros C (2005) Expanding advanced civilizations in the universe. J Br Interplanet Soc 58:108–110

Guardian (2001) It could’ve been you. www.theguardian.com/society/2001/may/ 02/lottery.g2. Accessed 20 Jan 2014

Gurzadyan VG (2005) Kolmogorov complexity, string information, panspermia and the

Fermi paradox. Observatory 125:352–355

Guth AH (2007) Eternal inflation and its implications. J Phys A Math General 40:6811

Hair TW (2011) Temporal dispersion of the emergence of intelligence: an inter-arrival time analysis. Int J Astrobiol 10:131–135

Hair TW (2013) Provocative radio transients and base rate bias: a Bayesian argument for conservatism. Acta Astronaut 91:194–197

Haisch B, Rueda A, PuthoffHE (1994) Beyond E = mc2. Science 34(6):26–31

Halder G et al (1995) Induction of ectopic eyes by targeted expression of the eyeless gene in Drosophila. Science 267:1788–1792

Hall MD, Connors WA (2000) Captain Edward J. Ruppelt: summer of the saucers. Rose, Albuquerque

Hancock G, Bauval R, Grigsby J (1998) The Mars mystery. Michael Joseph, London

Hanson R (1998) Burning the cosmic commons: evolutionary strategies for interstellar colonization. http://hanson.gmu.edu/filluniv.pdf

Haqq-Misra J, Baum S (2009) The sustainability solution to the Fermi paradox. J Br Interplanet Soc 62:47–51

Haqq-Misra J, Kopparapu RK (2012) On the likelihood of non-terrestrial artifacts in the