George Mullen

George Mullen is an astronomer who co-authored several peer-reviewed articles with Carl Sagan. He, along with Sagan, pointed out the faint young Sun paradox.[1][2][3][4] In addition to studying the early Earth atmosphere, he studied the atmosphere of Jupiter.[5][6]

References
  1. Clark, Stuart (16 February 2013). "Life's origins: the paradox of the faint young sun". New Scientist. 217 (2904): 44–47. Bibcode:2013NewSc.217...44C. doi:10.1016/S0262-4079(13)60440-6. Retrieved 13 February 2022.
  2. Chyba, Christopher F. "Carl Sagan's Extraordinary Career". Scientific American. Retrieved 13 February 2022.
  3. Morrison, Deane. "Researchers Solve the Mystery of Earth's Warm Middle Age". University of Minnesota. Retrieved 13 February 2022.
  4. "Austrian scientists raise new resolution of the 'young weak Sun paradox', the biggest scientific mystery". Meson stars. Retrieved 13 February 2022.
  5. Mullen, George; Sagan, Carl (7 Jul 1972). "Earth and Mars: Evolution of Atmospheres and Surface Temperatures". Science. 177 (4043): 52–56. Bibcode:1972Sci...177...52S. doi:10.1126/science.177.4043.52. PMID 17756316. S2CID 12566286. Retrieved 13 February 2022.
  6. Mullen, George; Sagan, Carl (April 1972). "The Jupiter greenhouse". Icarus. 16 (2). Retrieved 13 February 2022.


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