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Carl Sagan - Publications

Affiliations: 
1963-1968 Astronomy Harvard University, Cambridge, MA, United States 
 1968-1996 Astronomy Cornell University, Ithaca, NY, United States 
Area:
planetary science and exobiology
Website:
http://www.news.cornell.edu/stories/1996/12/carl-sagan-cornell-astronomer-dies-today-dec-20-seattle
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170 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2010 Sagan C, Veverka J. Martian ionosphere: a component due to solar protons. Science (New York, N.Y.). 158: 110-2. PMID 17798644 DOI: 10.1126/Science.158.3797.110  0.332
2010 Khare BN, Sagan C. Cyclic octatomic sulfur: a possible infrared and visible chromophore in the clouds of jupiter. Science (New York, N.Y.). 189: 722-3. PMID 17792541 DOI: 10.1126/Science.189.4204.722  0.643
2010 Sagan C. The Planet Venus: Recent observations shed light on the atmosphere, surface, and possible biology of the nearest planet. Science (New York, N.Y.). 133: 849-58. PMID 17789744 DOI: 10.1126/Science.133.3456.849  0.336
2010 Sagan C, Khare BN. Long-wavelength ultraviolet photoproduction of amino acids on the primitive Earth. Science (New York, N.Y.). 173: 417-20. PMID 17770442 DOI: 10.1126/Science.173.3995.417  0.62
2010 Khare BN, Sagan C, Bandurski EL, Nagy B. Ultraviolet-photoproduced organic solids synthesized under simulated jovian conditions: molecular analysis. Science (New York, N.Y.). 199: 1199-201. PMID 17745606 DOI: 10.1126/Science.199.4334.1199  0.641
2010 Sagan C, Toon OB, Gierasch PJ. Climatic change on Mars. Science (New York, N.Y.). 181: 1045-9. PMID 17731265 DOI: 10.1126/Science.181.4104.1045  0.521
1997 Sagan C, Chyba C. The early faint sun paradox: organic shielding of ultraviolet-labile greenhouse gases Science (New York, N.Y.). 276: 1217-21. PMID 11536805 DOI: 10.1126/Science.276.5316.1217  0.682
1997 Wilson PD, Sagan C. Nature and source of organic matter in the shoemaker-levy 9 jovian impact blemishes Icarus. 129: 207-216. DOI: 10.1006/Icar.1997.5783  0.381
1996 McDonald GD, Whited LJ, DeRuiter C, Khare BN, Patnaik A, Sagan C. Production and chemical analysis of cometary ice tholins Icarus. 122: 107-117. DOI: 10.1006/Icar.1996.0112  0.645
1996 Wilson PD, Sagan C. Spectrophotometry and organic matter on Iapetus 2. Models of interhemispheric asymmetry Icarus. 122: 92-106. DOI: 10.1006/Icar.1996.0111  0.396
1995 Wilson PD, Sagan C. Spectrophotometry and organic matter on Iapetus. 1. Composition models. Journal of Geophysical Research. 100: 7531-7. PMID 11539568 DOI: 10.1029/94Je03364  0.336
1995 Ehrenfreund P, Boon JJ, Commandeur J, Sagan C, Thompson WR, Khare B. Analytical pyrolysis experiments of Titan aerosol analogues in preparation for the Cassini Huygens mission. Advances in Space Research : the Official Journal of the Committee On Space Research (Cospar). 15: 335-42. PMID 11539247 DOI: 10.1016/S0273-1177(99)80105-7  0.64
1995 Dermott SF, Sagan C. Tidal effects of disconnected hydrocarbon seas on Titan. Nature. 374: 238-40. PMID 7885443 DOI: 10.1038/374238A0  0.384
1994 Khare BN, Sagan C, Thompson WR, Arakawa ET, Meisse C, Tuminello PS. Optical properties of poly-HCN and their astronomical applications. Canadian Journal of Chemistry. 72: 678-94. PMID 11540502 DOI: 10.1139/V94-093  0.622
1994 McDonald GD, Thompson WR, Heinrich M, Khare BN, Sagan C. Chemical investigation of Titan and Triton tholins. Icarus. 108: 137-45. PMID 11539478 DOI: 10.1006/Icar.1994.1046  0.644
1994 Thompson WR, McDonald GD, Sagan C. The Titan haze revisited: magnetospheric energy sources and quantitative tholin yields. Icarus. 112: 376-81. PMID 11538595 DOI: 10.1006/Icar.1994.1191  0.361
1993 Sagan C, Khare BN, Thompson WR, McDonald GD, Wing MR, Bada JL, Vo-Dinh T, Arakawa ET. Polycyclic aromatic hydrocarbons in the atmospheres of Titan and Jupiter. The Astrophysical Journal. 414: 399-405. PMID 11539501 DOI: 10.1086/173086  0.653
1993 Sagan C, Thompson WR, Carlson R, Gurnett D, Hord C. A search for life on Earth from the Galileo spacecraft. Nature. 365: 715-21. PMID 11536539 DOI: 10.1038/365715A0  0.315
1993 SAGAN C, TURCO RP. Nuclear Winter in the Post-Cold War Era Journal of Peace Research. 30: 369-373. DOI: 10.1177/0022343393030004001  0.323
1993 Khare BN, Thompson WR, Cheng L, Chyba C, Sagan C, Arakawa ET, Meisse C, Tuminello PS. Production and Optical Constants of Ice Tholin from Charged Particle Irradiation of (1:6) C2H6/H2O at 77 K Icarus. 103: 290-300. DOI: 10.1006/Icar.1993.1071  0.738
1992 McDonald GD, Thompson WR, Sagan C. Radiation chemistry in the Jovian stratosphere: laboratory simulations. Icarus. 99: 131-42. PMID 11540156 DOI: 10.1016/0019-1035(92)90177-9  0.317
1992 Chyba C, Sagan C. Endogenous production, exogenous delivery and impact-shock synthesis of organic molecules: an inventory for the origins of life. Nature. 355: 125-32. PMID 11538392 DOI: 10.1038/355125A0  0.663
1992 Sagan C, Thompson WR, Khare BN. Titan: a laboratory for prebiological organic chemistry. Accounts of Chemical Research. 25: 286-92. PMID 11537156 DOI: 10.1021/Ar00019A003  0.698
1991 Reid Thompson W, Henry TJ, Schwartz JM, Khare BN, Sagan C. Plasma discharge in N2 + CH4 at low pressures: Experimental results and applications to Titan Icarus. 90: 57-73. PMID 11538099 DOI: 10.1016/0019-1035(91)90068-5  0.626
1991 McDonald GD, Khare BN, Reid Thompson W, Sagan C. CH4/NH3/H2O spark tholin: Chemical analysis and interaction with Jovian aqueous clouds Icarus. 94: 354-367. PMID 11538091 DOI: 10.1016/0019-1035(91)90234-K  0.63
1991 Chyba C, Sagan C. Electrical energy sources for organic synthesis on the early earth Origins of Life and Evolution of the Biosphere. 21: 3-17. PMID 11537539 DOI: 10.1007/Bf01809509  0.643
1991 Turco RP, Toon OB, Ackerman TP, Pollack JB, Sagan C. Nuclear winter: physics and physical mechanisms Annual Review of Earth and Planetary Sciences, 19. 383-422. DOI: 10.1146/Annurev.Ea.19.050191.002123  0.606
1990 Stoker CR, Boston PJ, Mancinelli RL, Segal W, Khare BN, Sagan C. Microbial metabolism of tholin Icarus. 85: 241-256. PMID 11538367 DOI: 10.1016/0019-1035(90)90114-O  0.577
1990 Chyba CF, Thomas PJ, Brookshaw L, Sagan C. Cometary delivery of organic molecules to the early Earth. Science (New York, N.Y.). 249: 366-73. PMID 11538074 DOI: 10.1126/Science.11538074  0.651
1990 Turco RP, Toon OB, Ackerman TP, Pollack JB, Sagan C. Climate and smoke: an appraisal of nuclear winter. Science (New York, N.Y.). 247: 166-76. PMID 11538069 DOI: 10.1126/Science.11538069  0.648
1990 Sagan C, Chyba C. Triton's streaks as windblown dust Nature. 346: 546-548. DOI: 10.1038/346546A0  0.643
1989 Smith BA, Soderblom LA, Banfield D, Barnet C, Basilevsky AT, Beebe RF, Bollinger K, Boyce JM, Brahic A, Briggs GA, Brown RH, Chyba C, Collins SA, Colvin T, Cook AF, ... ... Sagan C, et al. Voyager 2 at neptune: imaging science results. Science (New York, N.Y.). 246: 1422-49. PMID 17755997 DOI: 10.1126/Science.246.4936.1422  0.796
1989 Thompson WR, Singh SK, Khare BN, Sagan C. Triton: stratospheric molecules and organic sediments Geophysical Research Letters. 16: 981-984. PMID 11542209 DOI: 10.1029/Gl016I008P00981  0.662
1989 Chyba CF, Sagan C, Mumma MJ. The heliocentric evolution of cometary infrared spectra: Results from an organic grain model Icarus. 79: 362-381. PMID 11542163 DOI: 10.1016/0019-1035(89)90083-3  0.663
1989 Khare BN, Thompson WR, Murray BGJPT, Chyba CF, Sagan C, Arakawa ET. Solid organic residues produced by irradiation of hydrocarbon-containing H2O and H2O/NH3 ices: Infrared spectroscopy and astronomical implications Icarus. 79: 350-361. PMID 11542162 DOI: 10.1016/0019-1035(89)90082-1  0.745
1989 Khare BN, Thompson WR, Chyba CF, Arakawa ET, Sagan C. Organic solids produced from simple C/H/O/N ices by charged particles: Applications to the outer solar system Advances in Space Research. 9: 41-53. PMID 11537360 DOI: 10.1016/0273-1177(89)90362-1  0.772
1989 Thompson WR, Sagan C. Atmospheric formation of organic heteropolymers from N2+CH4: Structural suggestions for amino acid and oligomer precursors Origins of Life and Evolution of the Biosphere. 19: 503-504. DOI: 10.1007/Bf02388973  0.303
1989 Khare BN, Sagan C, Thompson WR, Flynn L, Morrison MA. Amino acids and their polymers in the lower clouds of jupiter? -- preliminary findings Origins of Life and Evolution of the Biosphere. 19: 495-496. DOI: 10.1007/Bf02388969  0.599
1989 Thompson WR, Henry T, Schwartz J, Khare BN, Sagan C. Production and fate of hydrocarbons, nitriles, and heteropolymers on Titan Origins of Life and Evolution of the Biosphere. 19: 475-476. DOI: 10.1007/Bf02388958  0.586
1989 Chyba CF, Sagan C, Brookshaw L, Thomas PJ. Impact delivery of prebiotic organics to the early earth Origins of Life and Evolution of the Biosphere. 19: 467-468. DOI: 10.1007/Bf02388954  0.627
1988 Chyba CF, Sagan C. Cometary organic matter still a contentious issue Nature. 332: 592-592. DOI: 10.1038/332592A0  0.618
1988 Chyba C, Sagan C. Cometary organic matter still a contentious issue [7] Nature. 332: 592.  0.584
1987 Thompson WR, Henry T, Khare BN, Flynn L, Schwartz J, Sagan C. Light hydrocarbons from plasma discharge in H2-He-CH4: first results and Uranian auroral chemistry Journal of Geophysical Research. 92: 15083-15092. PMID 11542129 DOI: 10.1029/Ja092Ia13P15083  0.646
1987 Khare BN, Sagan C, Thompson WR, Arakawa ET, Votaw P. Solid hydrocarbon aerosols produced in simulated Uranian and Neptunian stratospheres Journal of Geophysical Research. 92: 15067-15082. PMID 11542128 DOI: 10.1029/Ja092Ia13P15067  0.614
1987 Thompson WR, Murray BG, Khare BN, Sagan C. Coloration and darkening of methane clathrate and other ices by charged particle irradiation: applications to the outer solar system Journal of Geophysical Research. 92: 14933-14947. PMID 11542127 DOI: 10.1029/Ja092Ia13P14933  0.669
1987 Chyba C, Sagan C. Infrared emission by organic grains in the coma of comet Halley Nature. 330: 350-353. DOI: 10.1038/330350A0  0.665
1987 Chyba CF, Sagan C. Cometary organics but no evidence for bacteria Nature. 329: 208-208. DOI: 10.1038/329208A0  0.619
1987 Chyba C, Sagan C. Cometary organics but no evidence for bacteria [6] Nature. 329: 208.  0.585
1986 Smith BA, Soderblom LA, Beebe R, Bliss D, Boyce JM, Brahic A, Briggs GA, Brown RH, Collins SA, Cook AF, Croft SK, Cuzzi JN, Danielson GE, Davies ME, Dowling TE, ... ... Sagan C, et al. Voyager 2 in the uranian system: imaging science results. Science (New York, N.Y.). 233: 43-64. PMID 17812889 DOI: 10.1126/Science.233.4759.43  0.655
1986 Khare BN, Sagan C, Ogino H, Nagy B, Er C, Schram KH, Arakawa ET. Amino acids derived from Titan Tholins Icarus. 68: 176-184. PMID 11542046 DOI: 10.1016/0019-1035(86)90080-1  0.622
1985 Turco RP, Toon OB, Ackerman TP, Pollack JB, Sagan C. Ozone, dust, smoke and humidity in nuclear winter Nature. 317: 21-22. DOI: 10.1038/317021A0  0.622
1985 Sasson R, Wright R, Arakawa ET, Khare BN, Sagan C. Optical properties of solid and liquid sulfur at visible and infrared wavelengths Icarus. 64: 368-374. DOI: 10.1016/0019-1035(85)90061-2  0.621
1985 Turco RP, Toon OB, Ackerman TP, Pollack JB, Sagan C. On a "nuclear winter" [3] Science. 227: 358-362.  0.392
1984 Khare BN, Sagan C, Thompson WR, Arakawa ET, Suits F, Callcott TA, Williams MW, Shrader S, Ogino H, Willingham TO, Nagy B. The organic aerosols of Titan Advances in Space Research. 4: 59-68. PMID 11537796 DOI: 10.1016/0273-1177(84)90545-3  0.663
1984 Turco RP, Toon OB, Ackerman TP, Pollack JB, Sagan C. The Climatic Effects of Nuclear War Scientific American. 251: 33-43. DOI: 10.1038/Scientificamerican0884-33  0.639
1984 Turco RP, Toon OB, Ackerman TP, Pollack JB, Sagan C. "nuclear winter" to be taken seriously Nature. 311: 307-308. DOI: 10.1038/311307A0  0.597
1984 Khare BN, Sagan C, Arakawa ET, Suits F, Callcott TA, Williams MW. Optical constants of organic tholins produced in a simulated Titanian atmosphere: From soft x-ray to microwave frequencies Icarus. 60: 127-137. DOI: 10.1016/0019-1035(84)90142-8  0.638
1984 Squyres SW, Buratti B, Veverka J, Sagan C. Voyager photometry of Iapetus Icarus. 59: 426-435. DOI: 10.1016/0019-1035(84)90111-8  0.537
1984 Sagan C, Reid Thompson W. Production and condensation of organic gases in the atmosphere of Titan Icarus. 59: 133-161. DOI: 10.1016/0019-1035(84)90018-6  0.405
1983 Turco RP, Toon OB, Ackerman TP, Pollack JB, Sagan C. Nuclear winter: global consequences of multple nuclear explosions. Science (New York, N.Y.). 222: 1283-92. PMID 17773320 DOI: 10.1126/Science.222.4630.1283  0.657
1983 Squyres SW, Sagan C. Albedo asymmetry of iapetus Nature. 303: 782-785. DOI: 10.1038/303782A0  0.591
1983 Turco RP, Toon OB, Ackerman TP, Pollack JB, Sagan C. Nuclear winter: Global consequences of multiple nuclear explosions Science. 222: 1283-1292.  0.405
1982 Smith BA, Soderblom L, Batson R, Bridges P, Inge J, Masursky H, Shoemaker E, Beebe R, Boyce J, Briggs G, Bunker A, Collins SA, Hansen CJ, Johnson TV, Mitchell JL, ... ... Sagan C, et al. A new look at the saturn system: the voyager 2 images. Science (New York, N.Y.). 215: 504-37. PMID 17771273 DOI: 10.1126/Science.215.4532.504  0.68
1982 Sagan C, Dermott SF. The tide in the seas of Titan Nature. 300: 731-733. DOI: 10.1038/300731A0  0.366
1982 Sagan C, Khare BN. The organic clouds of Titan Origins of Life. 12: 280. DOI: 10.1007/Bf00926898  0.641
1981 Smith BA, Soderblom L, Beebe R, Boyce J, Briggs G, Bunker A, Collins SA, Hansen CJ, Johnson TV, Mitchell JL, Terrile RJ, Carr M, Cook AF, Cuzzi J, Pollack JB, ... ... Sagan C, et al. Encounter with saturn: voyager 1 imaging science results. Science (New York, N.Y.). 212: 163-91. PMID 17783827 DOI: 10.1126/Science.212.4491.163  0.722
1981 Sromovsky LA, Suomi VE, Pollack JB, Krauss RJ, Limaye SS, Owen T, Revercomb HE, Sagan C. Implications of Titan's north-south brightness asymmetry Nature. 292: 698-702. DOI: 10.1038/292698A0  0.663
1981 Khare BN, Sagan C, Zumberge JE, Sklarew DS, Nagy B. Organic solids produced by electrical discharge in reducing atmospheres: Tholin molecular analysis Icarus. 48: 290-297. DOI: 10.1016/0019-1035(81)90110-X  0.639
1980 Owen T, Caldwell J, Rivolo AR, Moore V, Lane AL, Sagan C, Hunt GE, Ponnamperuma C. Observations of the spectrum of Jupiter from 1500 to 2000 A with the IUE The Astrophysical Journal. 236: L39. DOI: 10.1086/183194  0.483
1980 Soderblom L, Johnson T, Morrison D, Danielson E, Smith B, Veverka J, Cook A, Sagan C, Kupferman P, Pieri D, Mosher J, Avis C, Gradie J, Clancy T. Spectrophotometry of IO: Preliminary Voyager 1 results Geophysical Research Letters. 7: 963-966. DOI: 10.1029/Gl007I011P00963  0.367
1979 Smith BA, Soderblom LA, Johnson TV, Ingersoll AP, Collins SA, Shoemaker EM, Hunt GE, Masursky H, Carr MH, Davies ME, Cook AF, Boyce J, Danielson GE, Owen T, Sagan C, et al. The jupiter system through the eyes of voyager 1. Science (New York, N.Y.). 204: 951-72. PMID 17800430 DOI: 10.1126/Science.204.4396.951  0.675
1979 Sagan C, Toon OB, Pollack JB. Anthropogenic Albedo Changes and the Earth's Climate. Science (New York, N.Y.). 206: 1363-8. PMID 17739279 DOI: 10.1126/Science.206.4425.1363  0.613
1979 Smith BA, Soderblom LA, Beebe R, Boyce J, Briggs G, Carr M, Collins SA, Cook AF, Danielson GE, Davies ME, Hunt GE, Ingersoll A, Johnson TV, Masursky H, McCauley J, ... ... Sagan C, et al. The galilean satellites and jupiter: voyager 2 imaging science results. Science (New York, N.Y.). 206: 927-50. PMID 17733910 DOI: 10.1126/Science.206.4421.927  0.671
1979 Sagan C, Khare BN. Interstellar grains: Organic or Refractory? (reply) Nature. 281: 708. DOI: 10.1038/281708B0  0.613
1979 Sagan C, Khare BN. Tholins: Organic chemistry of interstellar grains and gas Nature. 277: 102-107. DOI: 10.1038/277102A0  0.618
1979 Wallace D, Sagan C. Evaporation of ice in planetary atmospheres: Ice-covered rivers on Mars Icarus. 39: 385-400. DOI: 10.1016/0019-1035(79)90148-9  0.339
1979 Khare BN, Sagan C. Organic dust synthesized in reducing environments by ultraviolet radiation or electric discharge Astrophysics and Space Science. 65: 309-312. DOI: 10.1007/Bf00648498  0.627
1979 Sagan C, Toon OB, Pollack JB. Anthropogenic albedo changes and the earth's climate Science. 206: 1363-1368.  0.421
1978 Newman WI, Sagan C. Five micron limb-darkening and the structure of the Jovian atmosphere Icarus. 36: 223-239. DOI: 10.1016/0019-1035(78)90107-0  0.344
1978 Veverka J, Thomas P, Sagan C. On the nature and visibility of crater-associated streaks on Mars Icarus. 36: 147-152. DOI: 10.1016/0019-1035(78)90081-7  0.317
1977 Elliot JL, French RG, Dunham E, Gierasch PJ, Veverka J, Church C, Sagan C. Occultation of egr Geminorum by Mars: Evidence for Atmospheric Tides? Science (New York, N.Y.). 195: 485-6. PMID 17734747 DOI: 10.1126/Science.195.4277.485  0.584
1977 Elliot JL, French RG, Dunham E, Gierasch PJ, Veverka J, Church C, Sagan C. Occultation of Epsilon Geminorum by Mars. II - The structure and extinction of the Martian upper atmosphere The Astrophysical Journal. 217: 661. DOI: 10.1086/155612  0.608
1977 SAGAN C. Reducing greenhouses and the temperature history of Earth and Mars Nature. 269: 224-226. DOI: 10.1038/269224A0  0.41
1977 Sagan C, Pieri D, Fox P, Arvidson RE, Guinness EA. Particle motion on Mars inferred from the Viking Lander cameras Journal of Geophysical Research. 82: 4430-4438. DOI: 10.1029/Js082I028P04430  0.308
1977 Sagan C. Exploration of the planets - An invited discourse presented before the Sixteenth General Assembly of the International Astronomical Union, Grenoble, France, August, 1976 Highlights of Astronomy. 4: 37-67. DOI: 10.1017/S1539299600002380  0.32
1977 Khare BN, Sagan C. On the temperature dependence of possible S8 infrared bands in planetary atmospheres Icarus. 30: 231-233. DOI: 10.1016/0019-1035(77)90137-3  0.619
1977 Toon OB, B. Pollack J, Sagan C. Physical properties of the particles composing the Martian dust storm of 1971-1972 Icarus. 30: 663-696. DOI: 10.1016/0019-1035(77)90088-4  0.537
1976 Mutch TA, Grenander SU, Jones KL, Patterson W, Arvidson RE, Guinness EA, Avrin P, Carlston CE, Binder AB, Sagan C, Dunham EW, Fox PL, Pieri DC, Huck FO, Rowland CW, et al. The surface of Mars: the view from the viking 2 lander. Science (New York, N.Y.). 194: 1277-83. PMID 17797083 DOI: 10.1126/Science.194.4271.1277  0.738
1976 Mutch TA, Arvidson RE, Binder AB, Huck FO, Levinthal EC, Liebes S, Morris EC, Nummedal D, Pollack JB, Sagan C. Fine particles on Mars: observations with the viking 1 lander cameras. Science (New York, N.Y.). 194: 87-91. PMID 17793087 DOI: 10.1126/Science.194.4260.87  0.509
1976 Mutch TA, Binder AB, Huck FO, Levinthal EC, Liebes S, Morris EC, Patterson WR, Pollack JB, Sagan C, Taylor GR. The surface of Mars: there view from the viking 1 lander. Science (New York, N.Y.). 193: 791-801. PMID 17747782 DOI: 10.1126/Science.193.4255.791  0.542
1976 Mass C, Sagan C. A numerical circulation model with topography for the Martian Southern Hemisphere Journal of the Atmospheric Sciences. 33: 1418-1430. DOI: 10.1175/1520-0469(1976)033<1418:Ancmwt>2.0.Co;2  0.315
1976 Sagan C, Salpeter EE. Particles, environments, and possible ecologies in the Jovian atmosphere Astrophysical Journal Supplement Series. 32: 737-755. DOI: 10.1086/190414  0.368
1976 Baldwin B, Pollack JB, Summers A, Toon OB, Sagan C, Van Camp W. Stratospheric aerosols and climatic change Nature. 263: 551-555. DOI: 10.1038/263551A0  0.592
1976 SAGAN C. Erosion and the rocks of Venus Nature. 261: 31-31. DOI: 10.1038/261031A0  0.361
1976 Pollack JB, Toon OB, Sagan C, Summers A, Baldwin B, Van Camp W. Volcanic explosions and climatic change: A theoretical assessment Journal of Geophysical Research. 81: 1071-1083. DOI: 10.1029/Jc081I006P01071  0.668
1976 Sagan C, Lederberg J. The prospects for life on Mars: A pre-Viking assessment Icarus. 28: 291-300. DOI: 10.1016/0019-1035(76)90039-7  0.31
1976 Veverka J, Sagan C, Greeley R. Variable features on Mars. VI. An unusual crater streak in Mesogaea Icarus. 27: 241-253. DOI: 10.1016/0019-1035(76)90007-5  0.33
1975 Rossow WB, Sagan C. Microwave Boundary Conditions on the Atmosphere and Clouds of Venus Journal of the Atmospheric Sciences. 32: 1164-1176. DOI: 10.1175/1520-0469(1975)032<1164:Mbcota>2.0.Co;2  0.352
1975 Sagan C. Windblown Dust on Venus Journal of the Atmospheric Sciences. 32: 1079-1083. DOI: 10.1175/1520-0469(1975)032<1079:Wdov>2.0.Co;2  0.344
1975 Elliot JL, Wasserman LH, Sagan C, Veverka J, Liller W. Occultation of beta Scorpii by Jupiter. V - The emersion of beta Scorpii C The Astronomical Journal. 80: 323. DOI: 10.1086/111750  0.53
1975 Sagan C, Veverka J, Pollack JB. 15.6. Kepler and Mariner 9 Vistas in Astronomy. 18: 905-908. DOI: 10.1016/0083-6656(75)90188-9  0.51
1975 de Vaucouleur G, Blunck J, Davies M, Dollfus A, Koval IK, Kuiper GP, Masursky H, Miyamoto S, Moroz VI, Sagan C, Smith B. The new Martian nomenclature of the international Astronomical Union Icarus. 26: 85-98. DOI: 10.1016/0019-1035(75)90146-3  0.588
1974 Elliot JL, Wasserman LH, Veverka J, Sagan C, Liller W. The Occultation of Beta Scorpii by Jupiter. 11. the Hydrogen-Helium Abundance in the Jovian Atmosphere The Astrophysical Journal. 190: 719. DOI: 10.1086/152931  0.573
1974 Veverka J, Wasserman L, Sagan C. On the upper atmosphere of Neptune The Astrophysical Journal. 189: 569. DOI: 10.1086/152836  0.306
1974 Veverka J, Wasserman LH, Elliot J, Sagan C, Liller W. The occultation of beta SCO by Jupiter. I. The structure of the jovian upper atmosphere. The Astronomical Journal. 79: 73. DOI: 10.1086/111534  0.565
1974 Sagan C. The Mountains of Mars Bulletin of the Atomic Scientists. 30: 42-46. DOI: 10.1080/00963402.1974.11458095  0.309
1974 Liller W, Elliot JL, Veverka J, Wasserman LH, Sagan C. The occultation of Beta Scorpii by Jupiter. III. Simultaneous high time-resolution records at three wavelengths Icarus. 22: 82-104. DOI: 10.1016/0019-1035(74)90168-7  0.543
1974 Sagan C, Veverka J, Steinbacher R, Quam L, Tucker R, Eross B. Variable features on Mars. IV. Pavonis Mons Icarus. 22: 24-47. DOI: 10.1016/0019-1035(74)90163-8  0.321
1974 Sagan C, Pollack JB. Differential transmission of sunlight on Mars: Biological implications Icarus. 21: 490-495. DOI: 10.1016/0019-1035(74)90151-1  0.58
1974 Veverka J, Sagan C, Quam L, Tucker R, Eross B. Variable features on Mars III: Comparison of Mariner 1969 and Mariner 1971 photography Icarus. 21: 317-368. DOI: 10.1016/0019-1035(74)90046-3  0.321
1974 veverka J, Noland M, Sagan C, Pollack J, Quam L, Tucker R, Eross B, Duxbury T, Green W. A Mariner 9 atlas of the moons of Mars Icarus. 23: 206-289. DOI: 10.1016/0019-1035(74)90006-2  0.518
1973 Sagan C. Ultraviolet selection pressure on the earliest organisms. Journal of Theoretical Biology. 39: 195-200. PMID 4741712 DOI: 10.1016/0022-5193(73)90216-6  0.377
1973 SAGAN C, YOUNG AT. Solar Neutrinos, Martian Rivers, and Praesepe Nature. 243: 459-460. DOI: 10.1038/243459A0  0.326
1973 Pollack JB, Veverka J, Noland M, Sagan C, Duxbury TC, Acton CH, Born GH, Hartmann WK, Smith BA. Mariner 9 television observations of Phobos and Deimos, 2 Journal of Geophysical Research. 78: 4313-4326. DOI: 10.1029/Jb078I020P04313  0.538
1973 Sagan C, Veverka J, Fox P, Dubisch R, French R, Gierasch P, Quam L, Lederberg J, Levinthal E, Tucker R, Eross B, Pollack JB. Variable features on Mars, 2, Mariner 9 global results Journal of Geophysical Research. 78: 4163-4196. DOI: 10.1029/Jb078I020P04163  0.564
1973 Houck J, Pollack JB, Sagan C, Schaack D, Decker JA. High altitude infrared spectroscopic evidence for bound water on Mars Icarus. 18: 470-480. DOI: 10.1016/0019-1035(73)90156-5  0.528
1973 Sagan C. The greenhouse of Titan. Icarus. 18: 649-656. DOI: 10.1016/0019-1035(73)90068-7  0.341
1973 Khare BN, Sagan C. Red clouds in reducing atmospheres Icarus. 20: 311-321. DOI: 10.1016/0019-1035(73)90008-0  0.644
1972 Masursky H, Batson RM, McCauley JF, Soderblom LA, Wildey RL, Carr MH, Milton DJ, Wilhelms DE, Smith BA, Kirby TB, Robinson JC, Leovy CB, Briggs GA, Duxbury TC, Acton CH, ... ... Sagan C, et al. Mariner 9 television reconnaissance of Mars and its satellites: preliminary results. Science (New York, N.Y.). 175: 294-305. PMID 17814535 DOI: 10.1126/Science.175.4019.294  0.573
1972 Sagan C, Mullen G. Earth and Mars: evolution of atmospheres and surface temperatures. Science. 177: 52-56. PMID 17756316 DOI: 10.1126/Science.177.4043.52  0.368
1972 Veverka J, Elliot J, Sagan C, Wasserman L, Liller W. Jupiter occultation of Beta Scorpii: Are the flashes time-symmetric? Nature. 240: 344-345. DOI: 10.1038/240344A0  0.556
1972 SAGAN C. Interstellar Organic Chemistry Nature. 238: 77-80. DOI: 10.1038/238077A0  0.326
1972 Owen T, Sagan C. Minor constituents in planetary atmospheres: Ultraviolet spectroscopy from the Orbiting Astronomical Observatory Icarus. 16: 557-568. DOI: 10.1016/0019-1035(72)90102-9  0.555
1972 Sagan C, Mullen G. The Jupiter greenhouse Icarus. 16: 397-400. DOI: 10.1016/0019-1035(72)90084-X  0.325
1972 Pollack JB, Veverka J, Noland M, Sagan C, Hartmann WK, Duxbury TC, Born GH, Milton DJ, Smith BA. Mariner 9 television observations of Phobos and Deimos Icarus. 17: 394-407. DOI: 10.1016/0019-1035(72)90007-3  0.497
1972 Sagan C, Veverka J, Fox P, Dubisch R, Lederberg J, Levinthal E, Quam L, Tucker R, Pollack JB, Smith BA. Variable features on Mars: Preliminary mariner 9 television results Icarus. 17: 346-372. DOI: 10.1016/0019-1035(72)90005-X  0.553
1971 Khare BN, Sagan C. Synthesis of cystine in simulated primitive conditions [28] Nature. 232: 577-579. PMID 4937509 DOI: 10.1038/232577A0  0.627
1971 Sagan C. The long winter model of Martian biology - A speculation. Icarus. 15: 511-514. DOI: 10.1016/0019-1035(71)90131-X  0.348
1971 Sagan C, Veverka J, Gierasch P. Observational consequences of Martian wind regimes Icarus. 15: 253-278. DOI: 10.1016/0019-1035(71)90079-0  0.355
1971 Sagan C, Veverka J. The Microwave Spectrum of Mars: An Analysis Icarus. 14: 222-234. DOI: 10.1016/0019-1035(71)90058-3  0.327
1971 Sagan C. The solar system beyond Mars: An exobiological survey Space Science Reviews. 11: 827. DOI: 10.1007/Bf00216891  0.307
1970 Pollack JB, Pitman D, Khare BN, Sagan C. Goethite on Mars: A laboratory study of physically and chemically bound water in ferric oxides Journal of Geophysical Research. 75: 7480-7490. DOI: 10.1029/Jb075I035P07480  0.693
1970 Masursky H, Batson R, Borgeson W, Carr M, McCauley J, Milton D, Wildey R, Wilhelms D, Murray B, Horowitz N, Leighton R, Sharp R, Thompson W, Briggs G, Chandeysson P, ... ... Sagan C, et al. Television experiment for Mariner Mars 1971 Icarus. 12: 10-45. DOI: 10.1016/0019-1035(70)90029-1  0.539
1969 Chapman CR, Pollack JB, Sagan C. An Analysis of the Mariner-4 Cratering Statistics The Astronomical Journal. 74: 1039. DOI: 10.1086/110901  0.482
1969 Morrison D, Sagan C, Pollack JB. Martian temperatures and thermal properties Icarus. 11: 36-45. DOI: 10.1016/0019-1035(69)90113-4  0.549
1969 Sagan C. Gray and Nongray Planetary Atmospheres. Structure, Convective Instability, and Greenhouse Effect Icarus. 10: 290-300. DOI: 10.1016/0019-1035(69)90030-X  0.358
1969 Sagan C, Pollack JB. On the structure of the Venus atmosphere Icarus. 10: 274-289. DOI: 10.1016/0019-1035(69)90029-3  0.577
1969 Pollack J, Sagan C. An analysis of Martian photometry and polarimetry Space Science Reviews. 9: 243-299. DOI: 10.1007/Bf00215634  0.531
1968 Sagan C, Owen T, Greenspan JA. Jovian atmosphere: near-ultraviolet absorption features. Science. 159: 448-450. PMID 17769678 DOI: 10.1126/Science.159.3813.448  0.542
1968 Pollack JB, Sagan C. The case for ice clouds on Venus Journal of Geophysical Research. 73: 5943-5949. DOI: 10.1029/Jb073I018P05943  0.552
1968 Sagan C, Pollack JB. Elevation differences on Mars Journal of Geophysical Research. 73: 1373-1387. DOI: 10.1029/Jb073I004P01373  0.551
1967 Dayhoff MO, Eck RV, Lippincott ER, Sagan C. Venus: atmospheric evolution. Science (New York, N.Y.). 155: 556-8. PMID 17737405 DOI: 10.1126/Science.155.3762.556  0.322
1967 Morrison D, Sagan C. The microwave phase effect of Mercury. The Astrophysical Journal. 150: 1105. DOI: 10.1086/149407  0.496
1967 Pollack JB, Sagan C. A Critical Test of the Electrical Discharge Model of the Venus Microwave Emission The Astrophysical Journal. 150: 699. DOI: 10.1086/149368  0.477
1967 Pollack JB, Sagan C. An Analysis of the Mariner 2 Microwave Observations of Venus The Astrophysical Journal. 150: 327. DOI: 10.1086/149334  0.524
1967 Sagan C, Pollack JB, Goldstein RM. Radar Doppler spectroscopy of Mars. 1. Elevation differences between bright and dark areas The Astronomical Journal. 72: 20. DOI: 10.1086/110197  0.515
1967 SAGAN C. Life on the Surface of Venus? Nature. 216: 1198-1199. DOI: 10.1038/2161198A0  0.327
1967 MOROWITZ H, SAGAN C. Life in the Clouds of Venus? Nature. 215: 1259-1260. DOI: 10.1038/2151259A0  0.368
1967 Sagan C, Pollack JB. Anisotropic nonconservative scattering and the clouds of Venus Journal of Geophysical Research. 72: 469-477. DOI: 10.1029/Jz072I002P00469  0.547
1967 Pollack JB, Greenberg EH, Sagan C. A statistical analysis of the Martian wave of darkening and related phenomena Planetary and Space Science. 15: 817-824. DOI: 10.1016/0032-0633(67)90117-1  0.527
1967 Pollack JB, Sagan C. Secular changes and dark-area regeneration on Mars Icarus. 6: 434-439. DOI: 10.1016/0019-1035(67)90036-X  0.516
1966 SAGAN C, POLLACK JB. On the Nature of the Canals of Mars Nature. 212: 117-121. DOI: 10.1038/212117A0  0.308
1966 Walker RG, Sagan C. The ionospheric model of the Venus microwave emission: An obituary Icarus. 5: 105-123. DOI: 10.1016/0019-1035(66)90014-5  0.336
1966 Sagan C, Wallace D. A search for life on Earth at kilometer resolution Icarus. 5: 79-98. DOI: 10.1016/0019-1035(66)90010-8  0.303
1965 Sagan C, Pollack JB. Radio evidence on structure and composition of Martian surface Journal of Research of the National Bureau of Standards, Section D: Radio Science. 1629. DOI: 10.6028/Jres.069D.191  0.495
1965 Sagan C, Pollack JB. An analysis of microwave observations of Venus Journal of Research of the National Bureau of Standards, Section D: Radio Science. 1583. DOI: 10.6028/Jres.069D.180  0.512
1965 Pollack JB, Sagan C. Erratum: Polarization of Thermal Emission from Venus. The Astrophysical Journal. 142: 811. DOI: 10.1086/148354  0.484
1965 Pollack JB, Sagan C. Polarization of Thermal Emission from Venus. The Astrophysical Journal. 141: 1161. DOI: 10.1086/148206  0.484
1965 Pollack JB, Sagan C. Polarization of Thermal Emission from Venus. The Astronomical Journal. 70: 146. DOI: 10.1086/109586  0.547
1965 Pollack JB, Sagan C. The infrared limb darkening of Venus Journal of Geophysical Research. 70: 4403-4426. DOI: 10.1029/Jz070I018P04403  0.557
1965 Sagan C, Hanst PL, Young AT. Nitrogen oxides on Mars Planetary and Space Science. 13: 73-88. DOI: 10.1016/0032-0633(65)90134-0  0.311
1965 Pollack JB, Sagan C. The microwave phase effect of Venus Icarus. 4: 62-103. DOI: 10.1016/0019-1035(65)90018-7  0.57
1965 Sagan C, Phaneuf JP, Ihnat M. Total Reflection Spectrophotometry And Thermogravimetric Analysis Of Simulated Martian Surface Materials Icarus. 4: 43-61. DOI: 10.1016/0019-1035(65)90017-5  0.345
1964 Pollack JB, Sagan C. Interpretations of the Infrared Limb-Darkening of Venus. The Astronomical Journal. 69: 555. DOI: 10.1086/109497  0.503
1963 Sagan C, Kellogg WW. The Terrestrial Planets Annual Review of Astronomy and Astrophysics. 1: 235-266. DOI: 10.1146/Annurev.Aa.01.090163.001315  0.312
1963 Packer E, Scher S, Sagan C. Biological contamination of Mars II. Cold and aridity as constraints on the survival of terrestial microorganisms in simulated Martian environments Icarus. 2: 293-316. DOI: 10.1016/0019-1035(63)90024-1  0.329
1962 Kellogg WW, Sagan C. The Atmospheres of Mars and Venus American Journal of Physics. 30: 776-776. DOI: 10.1119/1.1941792  0.366
1962 Sagan C. Is the Martian Blue Haze Produced by Solar Protons The Astronomical Journal. 67: 120. DOI: 10.1086/108632  0.303
1962 Sagan C. Structure of the lower atmosphere of Venus Icarus. 1: 151-169. DOI: 10.1016/0019-1035(62)90015-5  0.353
1960 Sagan C. The Production of Organic Molecules in Planetary Atmospheres. The Astronomical Journal. 65: 499. DOI: 10.1086/108320  0.308
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