Caleb Scharf

Caleb Asa Scharf[2] is a British-American astronomer and popular science author. He is currently the senior scientist for astrobiology at the NASA Ames Research Center in Mountain View, California.[3] He formerly served as the director of the multidisciplinary Columbia Astrobiology Center at Columbia University, New York.[4]

Caleb Scharf
Born
Caleb Asa Scharf
NationalityEnglish[1]
CitizenshipBritish and American
Alma materDurham University (BSc)
University of Cambridge (PhD)[1]
AwardsCarl Sagan Medal (2022)
Scientific career
FieldsCosmology and Astrobiology
InstitutionsColumbia University

Also active as a science communicator, Scharf was the 2022 recipient of the Carl Sagan Medal, awarded by the American Astronomical Society for excellence in public communication of planetary science.[5]

Early life and education

He received a B.Sc. in Physics from Durham University and a PhD in Astronomy from the University of Cambridge.

Research

Scharf conducted postdoctoral work in X-ray astronomy and observational cosmology at the NASA Goddard Space Flight Center and the Space Telescope Science Institute in Maryland.[6]

He has an extensive research record in observational cosmology but more recently works on topics in exoplanetary science and astrobiology.[1]

Writing

He is the author of the upper-level undergraduate textbook Extrasolar Planets and Astrobiology,[7] published in 2008 by University Science Books, CA. This book won the 2011 Chambliss Astronomical Writing Award and medal from the American Astronomical Society. He has many published professional papers in peer-reviewed journals, with 109 papers listed in the SAO/NASA Astrophysics Data System (ADS); three have been cited over 100 times each: the highest counts are 264[8] 139,[9] 116,[10] all in The Astrophysical Journal.

His blog Life, Unbounded appears at Scientific American and covers topics in astronomy, exoplanetary science, and astrobiology.

Scharf is the author of a number of popular science books. Gravity's Engines: The Other Side of Black Holes (US subtitle: How Bubble-Blowing Black Holes Rule Galaxies, Stars, and Life in the Universe) was published in December 2012.[11] It was listed as one of the New Scientist top 10 books to read in 2012 and as one of The Barnes and Noble Review Editors' Picks: Best Nonfiction of 2012. His next book, The Copernicus Complex, was published in 2014 by Farrar, Straus and Giroux, and in 2017 The Zoomable Universe, with illustrations by Ron Miller, was published by Scientific American/Farrar, Straus and Giroux.

Bibliography

Textbooks
  • Scharf, Caleb A. (2008). Extrasolar planets and astrobiology. Sausalito: University Science Books.[12]
  • Scharf, Caleb A. (2012). Gravity's Engines: The Other Side of Black Holes (US subtitle: How Bubble-Blowing Black Holes Rules Galaxies, Stars, and Life in the Universe).[11]
  • Scharf, Caleb A. (2014). The Copernicus Complex: Our Cosmic Significance in a Universe of Planets and Probabilities. New York: Scientific American / Farrar, Straus and Giroux.
  • Scharf, Caleb A.; illustrations by Ron Miller (2017). The Zoomable Universe: An Epic Tour Through Cosmic Scale, from Almost Everything to Nearly Nothing. New York: Scientific American / Farrar, Straus and Giroux.
  • Scharf, Caleb A. (2021); The Ascent of Information: Books, Bits, Genes, Machines, and Life's Unending Algorithm.

Riverhead Books.

Essays and reporting

References
  1. "Caleb Scharf: Director of Astrobiology Columbia University". Caleb Scharf.
  2. "BSc". University of Durham Congregation (28 June 12:30pm). Durham: Durham University: 6. 1989.
  3. "Caleb Scharf: Senior Scientist for Astrobiology at the NASA Ames Research Center". Astrobiology at NASA.
  4. "Caleb Scharf: Research Scientist". Columbia University, Department of Astronomy.
  5. "Caleb Scharf Wins Carl Sagan Medal for Public Science Communication". Astronomy & Astrophysics. Columbia University. 8 September 2022. Retrieved 25 April 2023.
  6. "NASA GISS To Help Lead Search for Habitable Exoplanets". NASA, Goddard Institute for Space Studies. NASA.
  7. "Archived copy". Archived from the original on 2010-04-14. Retrieved 2009-09-22.{{cite web}}: CS1 maint: archived copy as title (link)
  8. Mushotzky, R. F.; Scharf, C. A., The Luminosity-Temperature Relation at z=0.4 for Clusters of Galaxies
  9. Horner, Donald J.; Mushotzky, Richard F.; Scharf, Caleb A. Observational Tests of the Mass-Temperature Relation for Galaxy Clusters
  10. Scharf, C. A.; Jones, L. R.; Ebeling, H.; Perlman, E.; Malkan, M.; Wegner, G. The Wide-Angle ROSAT Pointed X-Ray Survey of Galaxies, Groups, and Clusters. I. Method and First Results
  11. Gravity's Engines: The Other Side of Black Holes – reviewed by Tim Radford “Hearts of Darkness” in The Guardian, review section page 7 on 15 December 2012
  12. Library of Congress has 2009 as copyright date.
  13. "Where do minds belong? Intelligence could have been moving back and forth between biological beings and machine receptacles for aeons". Aeon.
Library resources
By Caleb Scharf
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