Book contents
- The Drake EquationEstimating the Prevalence of Extraterrestrial Life through the Ages
- Cambridge Astrobiology
- The Drake Equation
- Copyright page
- Dedication
- Contents
- Contributors
- Foreword
- Preface
- Book part
- Introduction
- 1 Rate of formation of stars suitable for the development of intelligent life, R*, pre-1961
- 2 Rate of formation of stars suitable for the development of intelligent life, R*, 1961 to the present
- 3 Fraction of stars with planetary systems, fp, pre-1961
- 4 Fraction of stars with planetary systems, fp, 1961 to the present
- 5 Number of planets, per solar system, with an environment suitable for life, ne, pre-1961
- 6 Number of planets, per solar system, with an environment suitable for life, ne, 1961 to the present
- 7 Fraction of suitable planets on which life actually appears, fl, pre-1961
- 8 Fraction of suitable planets on which life actually appears, fl, 1961 to the present
- 9 Fraction of life-bearing planets on which intelligent life emerges, fi, pre-1961
- 10 Fraction of life-bearing planets on which intelligent life emerges, fi, 1961 to the present
- 11 Fraction of civilizations that develop a technology that releases detectable signs of their existence into space, fc, pre-1961
- 12 Fraction of civilizations that develop a technology that releases detectable signs of their existence into space, fc, 1961 to the present
- 13 Length of time such civilizations release detectable signals into space, L, pre-1961
- 14 Length of time such civilizations release detectable signals into space, L, 1961 to the present
- Afterword
- Index
Contributors
Published online by Cambridge University Press: 05 July 2015
Foreword by
Book contents
- The Drake EquationEstimating the Prevalence of Extraterrestrial Life through the Ages
- Cambridge Astrobiology
- The Drake Equation
- Copyright page
- Dedication
- Contents
- Contributors
- Foreword
- Preface
- Book part
- Introduction
- 1 Rate of formation of stars suitable for the development of intelligent life, R*, pre-1961
- 2 Rate of formation of stars suitable for the development of intelligent life, R*, 1961 to the present
- 3 Fraction of stars with planetary systems, fp, pre-1961
- 4 Fraction of stars with planetary systems, fp, 1961 to the present
- 5 Number of planets, per solar system, with an environment suitable for life, ne, pre-1961
- 6 Number of planets, per solar system, with an environment suitable for life, ne, 1961 to the present
- 7 Fraction of suitable planets on which life actually appears, fl, pre-1961
- 8 Fraction of suitable planets on which life actually appears, fl, 1961 to the present
- 9 Fraction of life-bearing planets on which intelligent life emerges, fi, pre-1961
- 10 Fraction of life-bearing planets on which intelligent life emerges, fi, 1961 to the present
- 11 Fraction of civilizations that develop a technology that releases detectable signs of their existence into space, fc, pre-1961
- 12 Fraction of civilizations that develop a technology that releases detectable signs of their existence into space, fc, 1961 to the present
- 13 Length of time such civilizations release detectable signals into space, L, pre-1961
- 14 Length of time such civilizations release detectable signals into space, L, 1961 to the present
- Afterword
- Index
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- The Drake EquationEstimating the Prevalence of Extraterrestrial Life through the Ages, pp. ix - xvPublisher: Cambridge University PressPrint publication year: 2015