Talking About Life

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Talking About Life: Conversations on Astrobiology
AuthorChris Impey
SubjectAstronomy
GenreNon-fiction
PublisherCambridge University Press
Publication date
September 30, 2010 (hardcover)
Media typePrint (hardcover) and electronic
Pages418
ISBN978-0521514927
Preceded byHow It Ends 
Followed byHow It Began 

Talking About Life: Conversations on Astrobiology is a non-fiction book edited by astronomer Chris Impey that consists of interviews with three dozen leading experts on the subject of astrobiology. The subject matter ranges from the nature and limits of life on Earth to the current search for exoplanets and the prospects of intelligent life in the universe. The book was published as a hardcover by Cambridge University Press in 2010.

Summary[edit]

Talking About Life: Conversations on Astrobiology is a book of interviews between astronomer Chris Impey and leading researchers in the effort to understand life on Earth and discover habitable worlds and biology beyond Earth. The book is a snapshot of a fast-moving interdisciplinary field, with a conversational tone, where researchers describe what they do in their own words and convey the excitement of addressing fundamental questions about the universe.

The first section has a range of perspectives on the general topic of life in the universe. Timothy Ferris, noted writer and journalist, talks about being involved in the planning for the Voyager record and on astrobiology in the popular culture.[1] Steven Dick[2] and Iris Fry talk about the history of the search for life in the universe and the history of theories of the origin of life on Earth, respectively. Ann Druyan discusses her long association with Carl Sagan and her work in science education.[3] Neil Tyson, Director of the Hayden Planetarium, talks about our halting progress in space travel and the prospects for venturing to find life among the stars.[4] George “Pinky” Nelson gives an astronaut’s perspective on life on Earth and elsewhere,[5] and Steve Benner[6] and William Bains[7] speculate on altering the architecture of life on Earth and on how strange life beyond Earth may be.

The second section of the book turns to the history of life on Earth. Roger Buick talks about the earliest evidence for biology and John Baross talks about its possible origin on the sea floor.[8] Lynn Rothschild talks about extremophiles and the extraordinary modes of adaptation of terrestrial organisms.[9] Joe Kirschvink presents the evidence for Snowball Earth and the challenges that a restless planet presents for biology.[10] Andrew Knoll[11] and Simon Conway Morris[12] discuss natural selection and the contrasting themes of contingency and convergence. As two examples of "alien" intelligence on Earth, Roger Hanlon talks about his field work with octopuses[13] and Lori Marino talks about her research on dolphins.[14]

Turning to the Solar System, the next section of the book looks at the prospects for life on our doorstep. Chris McKay[15] and Peter Smith[16] talk about Mars and the potential for extant microbial life under the surface layer. Speculating about more exotic habitats for life, David Grinspoon considers Venus and Jupiter’s moon Io,[17] then Jonathan Lunine[18] considers Saturn’s large moon Titan. Carolyn Porco notes the surprising results from the Cassini mission, including the habitability of Enceladus.[19] The biological potential of meteorites is the subject of the interviews with Laurie Leshin[20] and Jesuit Guy Consolmagno,[21] who note the presence of the complex building blocks of life in this primordial material from the outer Solar System.

The next section of the book covers the fast-moving research on planets around other stars. Alan Boss[22] discusses the theory of extrasolar planets or exoplanets, and ace planet-hunters Debra Fischer[23] and Geoff Marcy[24] talk about their properties and the technical innovations that led to their discovery. Sara Seager summarizes efforts to characterize exoplanets in detail,[25][26] and David Charbonneau talks about the power of the transit method for detecting low mass and Earth-like planets.[27] Last, Vicky Meadows describes how planet models will be used to predict the spectral biomarkers that could indirectly indicate the presence of microbial life on an exoplanet.

Talking About Life ends with the search for intelligent life (SETI) and speculation about the role of life in the universe. Jill Tarter[28] and Seth Shostak[29] describe the strategies that have been used to listen for artificial signal from technological civilizations far from Earth for over fifty years, so far without success. Ray Kurzweil[30] talks about postbiological evolution and Nick Bostrom[31] talks about transhumanism and the odds that the entire universe, and our sense of it and ourselves, is a simulation by a super-intelligent civilization. Next, Paul Davies[32] and Martin Rees[33] talk about fine-tuning and the anthropic principle, which each indicate that biology has a privileged role in the cosmos. To round out the book with a humanistic perspective, Ben Bova[34] talks about our future in space and Jennifer Michael Hecht[35] rekindles our delight in alien yet familiar life on Earth.

References[edit]

  1. ^ Timothy Ferris (2013). "Timothy Ferris Official Site". Retrieved 18 May 2013.
  2. ^ Steven J. Dick (2011). "Steven J. Dick". Retrieved 18 May 2013.
  3. ^ "Ann Druyan". Retrieved 18 May 2013.
  4. ^ Neil deGrasse Tyson (2013). "Neil deGrasse Tyson". Retrieved 18 May 2013.
  5. ^ NASA (April 1989). "Astronaut Bio: George D. "Pinky" Nelson". Retrieved 18 May 2013.
  6. ^ The Foundation For Applied Molecular Evolution (2013). "FfAME.org::Steven Benner". Retrieved 18 May 2013.
  7. ^ William Bains (2011). "WilliamBains.co.uk". Retrieved 18 May 2013.
  8. ^ University of Washington (2011). "John Baross". Retrieved 18 May 2013.
  9. ^ Brown University (2012). "The Directory of Research and Researchers at Brown: Lynn Rothschild". Retrieved 18 May 2013.
  10. ^ Joseph Kirschvink (2012). "Joseph Kirschvink: Snowball Earth, True Polar Wander, Origin of Atmospheric Oxygen". Retrieved 18 May 2013.
  11. ^ Phoebe Cohen (2007). "The Knoll Group". Retrieved 18 May 2013.
  12. ^ Simon Conway Morris (22 June 2010). "Professor Simon Conway Morris". Archived from the original on 22 May 2013. Retrieved 18 May 2013.
  13. ^ The Marine Biological Laboratory (2013). "Marine Resources Center :: Laboratory of Roger Hanlon". Archived from the original on 13 May 2013. Retrieved 18 May 2013.
  14. ^ The Nonhuman Rights Project (2013). "Lori Marino, Ph.D.: The Nonhuman Rights Project". Retrieved 18 May 2013.
  15. ^ Yvonne Ibarra (2011). "Chris McKay - Space Science and Astrobiology at Ames". Retrieved 18 May 2013.
  16. ^ Peter Smith (2007). "Phoenix Mars Mission - Peter Smith". Retrieved 18 May 2013.
  17. ^ David Grinspoon (2013). "Expanding the Funkyness of your Universe". Retrieved 18 May 2013.
  18. ^ CU Astronomy (2010). "Jonathan I. Lunine - David C. Duncan Professor in the Physical Sciences - Director, Center for Radiophysics and Space Research". Retrieved 18 May 2013.
  19. ^ Space Science Institute (2005). "Space Science Institute". Retrieved 18 May 2013.
  20. ^ Goddard Space Flight Center (16 December 2009). "NASA - Dr. Laurie Leshin, Deputy Director for Science and Technology". Retrieved 18 May 2013.
  21. ^ Vatican Observatory (2013). "Guy J. Consolmagno, S.J." Archived from the original on 10 May 2013. Retrieved 18 May 2013.
  22. ^ Alan P. Boss (2013). "The Home Page of Dr. Alan P. Boss". Archived from the original on 24 January 2013. Retrieved 18 May 2013.
  23. ^ Yale University (2013). "Debra Fischer - Department of Astronomy, Yale University". Archived from the original on 15 June 2013. Retrieved 18 May 2013.
  24. ^ Geoffrey W. Marcy (2012). "Geoffrey W. Marcy's Home Page". Retrieved 18 May 2013.
  25. ^ Sara Seager (2013). "Sara Seager". Retrieved 18 May 2013.
  26. ^ Jones, Chris (7 December 2016). "'The World Sees Me as the One Who Will Find Another Earth' - The star-crossed life of Sara Seager, an astrophysicist obsessed with discovering distant planets". New York Times. Retrieved 8 December 2016.
  27. ^ David Charbonneau (2013). "David Charbonneau at Harvard University". Retrieved 18 May 2013.
  28. ^ SETI Institute (2013). "Jill Tarter". Retrieved 18 May 2013.
  29. ^ SETI Institute (2013). "Seth Shostak". Retrieved 18 May 2013.
  30. ^ Ray Kurzweil (2011). "Ray Kurzweil Bio". Retrieved 18 May 2013.
  31. ^ Nick Bostrom (2013). "Nick Bostrom's Home Page". Retrieved 18 May 2013.
  32. ^ Paul Davies (2012). "ASU Cosmos". Retrieved 18 May 2013.
  33. ^ Martin Rees (22 November 2012). "Martin Rees". Retrieved 18 May 2013.
  34. ^ Ben Bova (2012). "Ben Bova Homepage". Retrieved 18 May 2013.
  35. ^ Jennifer Michael Hecht (2006). "Jennifer Michael Hecht". Retrieved 18 May 2013.

External links[edit]

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