Living Galaxy
portes grátis
Living Galaxy
Winners and Losers in the Milky Way
Valli, Andrea Maria Francesco; Maccone, Claudio; Mieli, Eugenio
Springer International Publishing AG
01/2025
200
Dura
9783031673238
Pré-lançamento - envio 15 a 20 dias após a sua edição
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INTRODUCTION.- Where are everyone?.- The phases and challenges.- Part I - The astronomical parameters NS, NP and FS.- 1st Drake: The star number of the galactic disc for stars of spectral class K, G and F.- 2nd Drake: number number per star, suitable for life in the habitable area (spectral class F, G and K).- 3rd Drake: fraction of stable planets for 7 gy (duration of the stellar population).- Part II - The biological parameters of Drake: fl and fi.- 4th Drake: the transition from non-living to the living.- 5th Drake: the probability of intelligent life.- Macro-interval A: the crucial passage; The onset of the Eukaryotic Cell.- Macro-interval B: the second step; The birth of animals (Metazoi).- Macro-interval B: The "solution" of the intelligence deduced by the definition of Kardasev, centered on energy by individual, and its birth within the metzoi (the Homo case).- The oxygen curve.- Part III- The social parameters of Drake: FC and FL.- 6th Drake: fraction of planets where life decides to communicate.- 7th Drake: temporal fraction lasting a civilization.- The complete Drake equation Still the paradox of Fermi (but in short, where are everyone?).- Winners and won in the Milky Way.- Identikit of two possible intelligent alien species.- Epilogue - The mercy of the cheetah.- Appendices.
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Drake equation;Astrobiology;Big History;SETI;life in the galaxy;habitable planets;appearance of life;Evolution of life;appearance of intelligence;Galactic civilizations;duration of a civilization;Number of alien civilizations;Number of inhabited planets;Destiny of Humanity
INTRODUCTION.- Where are everyone?.- The phases and challenges.- Part I - The astronomical parameters NS, NP and FS.- 1st Drake: The star number of the galactic disc for stars of spectral class K, G and F.- 2nd Drake: number number per star, suitable for life in the habitable area (spectral class F, G and K).- 3rd Drake: fraction of stable planets for 7 gy (duration of the stellar population).- Part II - The biological parameters of Drake: fl and fi.- 4th Drake: the transition from non-living to the living.- 5th Drake: the probability of intelligent life.- Macro-interval A: the crucial passage; The onset of the Eukaryotic Cell.- Macro-interval B: the second step; The birth of animals (Metazoi).- Macro-interval B: The "solution" of the intelligence deduced by the definition of Kardasev, centered on energy by individual, and its birth within the metzoi (the Homo case).- The oxygen curve.- Part III- The social parameters of Drake: FC and FL.- 6th Drake: fraction of planets where life decides to communicate.- 7th Drake: temporal fraction lasting a civilization.- The complete Drake equation Still the paradox of Fermi (but in short, where are everyone?).- Winners and won in the Milky Way.- Identikit of two possible intelligent alien species.- Epilogue - The mercy of the cheetah.- Appendices.
Este título pertence ao(s) assunto(s) indicados(s). Para ver outros títulos clique no assunto desejado.
