George Mullen
George Mullen is an astronomer who co-authored several peer-reviewed articles with Carl Sagan. He, along with Carl 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
- ^ Clark, Stuart (16 February 2013). "Life's origins: the paradox of the faint young sun". New Scientist. 217 (2904). Retrieved 13 February 2022.
- ^ Chyba, Christopher F. "Carl Sagan's Extraordinary Career". Scientific American. Retrieved 13 February 2022.
- ^ Morrison, Deane. "Researchers Solve the Mystery of Earth's Warm Middle Age". University of Minnesota. Retrieved 13 February 2022.
- ^ "Austrian scientists raise new resolution of the 'young weak Sun paradox', the biggest scientific mystery". Meson stars. Retrieved 13 February 2022.
- ^ Mullen, George; Sagan, Carl (7 Jul 1972). "Earth and Mars: Evolution of Atmospheres and Surface Temperatures". Science. 177 (4043). Retrieved 13 February 2022.
- ^ Mullen, George; Sagan, Carl (April 1972). "The Jupiter greenhouse". Icarus. 16 (2). Retrieved 13 February 2022.