| 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 |
0.335 |
|
| 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 |
0.338 |
|
| 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 |
0.522 |
|
| 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 |
0.38 |
|
| 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 |
0.397 |
|
| 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 |
0.335 |
|
| 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 |
0.386 |
|
| 1994 |
Belton MJ, Greeley R, Greenberg R, Geissler P, McEwen A, Klaasen KP, Heffernan C, Breneman H, Johnson TV, Head JW, Pieters C, Neukum G, Chapman CR, Anger C, Carr MH, ... ... Sagan C, et al. Galileo multispectral imaging of the north polar and eastern limb regions of the moon. Science (New York, N.Y.). 264: 1112-5. PMID 17744892 DOI: 10.1126/Science.264.5162.1112 |
0.551 |
|
| 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 |
0.36 |
|
| 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 |
0.316 |
|
| 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 |
0.316 |
|
| 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 |
0.625 |
|
| 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 |
0.629 |
|
| 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 |
0.607 |
|
| 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 |
0.649 |
|
| 1990 |
Sagan C, Chyba C. Triton's streaks as windblown dust Nature. 346: 546-548. DOI: 10.1038/346546A0 |
0.646 |
|
| 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 |
0.798 |
|
| 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 |
0.744 |
|
| 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 |
0.301 |
|
| 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 |
0.585 |
|
| 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 |
0.617 |
|
| 1988 |
Chyba C, Sagan C. Cometary organic matter still a contentious issue [7] Nature. 332: 592. |
0.583 |
|
| 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 |
0.656 |
|
| 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 |
0.623 |
|
| 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 |
0.662 |
|
| 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 |
0.637 |
|
| 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 |
0.538 |
|
| 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 |
0.592 |
|
| 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 |
0.682 |
|
| 1982 |
Sagan C, Dermott SF. The tide in the seas of Titan Nature. 300: 731-733. DOI: 10.1038/300731A0 |
0.367 |
|
| 1982 |
Sagan C, Khare BN. The organic clouds of Titan Origins of Life. 12: 280. DOI: 10.1007/Bf00926898 |
0.64 |
|
| 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 |
0.664 |
|
| 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 |
0.638 |
|
| 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 |
0.484 |
|
| 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 |
0.369 |
|
| 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 |
0.341 |
|
| 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 |
0.347 |
|
| 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 |
0.32 |
|
| 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 |
0.585 |
|
| 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 |
0.609 |
|
| 1977 |
SAGAN C. Reducing greenhouses and the temperature history of Earth and Mars Nature. 269: 224-226. DOI: 10.1038/269224A0 |
0.411 |
|
| 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 |
0.314 |
|
| 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 |
0.538 |
|
| 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 |
0.739 |
|
| 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 |
0.511 |
|
| 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 |
0.544 |
|
| 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 |
0.319 |
|
| 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 |
0.367 |
|
| 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 |
0.593 |
|
| 1976 |
SAGAN C. Erosion and the rocks of Venus Nature. 261: 31-31. DOI: 10.1038/261031A0 |
0.363 |
|
| 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 |
0.669 |
|
| 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 |
0.308 |
|
| 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 |
0.333 |
|
| 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 |
0.58 |
|
| 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 |
0.347 |
|
| 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 |
0.574 |
|
| 1974 |
Veverka J, Wasserman L, Sagan C. On the upper atmosphere of Neptune The Astrophysical Journal. 189: 569. DOI: 10.1086/152836 |
0.307 |
|
| 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 |
0.566 |
|
| 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 |
0.327 |
|
| 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 |
0.323 |
|
| 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 |
0.519 |
|
| 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 |
0.327 |
|
| 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 |
0.539 |
|
| 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 |
0.705 |
|
| 1973 |
Sagan C. Sandstorms and eolian erosion on Mars Journal of Geophysical Research. 78: 4155-4161. DOI: 10.1029/Jb078I020P04155 |
0.302 |
|
| 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 |
0.342 |
|
| 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 |
0.575 |
|
| 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 |
0.37 |
|
| 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 |
0.324 |
|
| 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 |
0.556 |
|
| 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 |
0.498 |
|
| 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 |
0.554 |
|
| 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 |
0.627 |
|
| 1971 |
Sagan C, Veverka J. The Microwave Spectrum of Mars: An Analysis Icarus. 14: 222-234. DOI: 10.1016/0019-1035(71)90058-3 |
0.328 |
|
| 1971 |
Gierasch P, Sagan C. A preliminary assessment of Martian wind regimes Icarus. 14: 312-318. DOI: 10.1016/0019-1035(71)90003-0 |
0.579 |
|
| 1971 |
Sagan C. The solar system beyond Mars: An exobiological survey Space Science Reviews. 11: 827. DOI: 10.1007/Bf00216891 |
0.308 |
|
| 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 |
0.694 |
|
| 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 |
0.483 |
|
| 1969 |
Morrison D, Sagan C, Pollack JB. Martian temperatures and thermal properties Icarus. 11: 36-45. DOI: 10.1016/0019-1035(69)90113-4 |
0.55 |
|
| 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 |
0.36 |
|
| 1969 |
Sagan C, Pollack JB. On the structure of the Venus atmosphere Icarus. 10: 274-289. DOI: 10.1016/0019-1035(69)90029-3 |
0.578 |
|
| 1969 |
Pollack J, Sagan C. An analysis of Martian photometry and polarimetry Space Science Reviews. 9: 243-299. DOI: 10.1007/Bf00215634 |
0.532 |
|
| 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 |
0.553 |
|
| 1968 |
Sagan C, Pollack JB. Elevation differences on Mars Journal of Geophysical Research. 73: 1373-1387. DOI: 10.1029/Jb073I004P01373 |
0.552 |
|
| 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 |
0.324 |
|
| 1967 |
Morrison D, Sagan C. The microwave phase effect of Mercury. The Astrophysical Journal. 150: 1105. DOI: 10.1086/149407 |
0.495 |
|
| 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 |
0.525 |
|
| 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 |
0.517 |
|
| 1967 |
SAGAN C. Life on the Surface of Venus? Nature. 216: 1198-1199. DOI: 10.1038/2161198A0 |
0.329 |
|
| 1967 |
MOROWITZ H, SAGAN C. Life in the Clouds of Venus? Nature. 215: 1259-1260. DOI: 10.1038/2151259A0 |
0.369 |
|
| 1967 |
Sagan C, Pollack JB. Anisotropic nonconservative scattering and the clouds of Venus Journal of Geophysical Research. 72: 469-477. DOI: 10.1029/Jz072I002P00469 |
0.548 |
|
| 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 |
0.528 |
|
| 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 |
0.519 |
|
| 1966 |
SAGAN C, POLLACK JB. On the Nature of the Canals of Mars Nature. 212: 117-121. DOI: 10.1038/212117A0 |
0.31 |
|
| 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 |
0.338 |
|
| 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 |
0.496 |
|
| 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 |
0.513 |
|
| 1965 |
Pollack JB, Sagan C. Erratum: Polarization of Thermal Emission from Venus. The Astrophysical Journal. 142: 811. DOI: 10.1086/148354 |
0.485 |
|
| 1965 |
Pollack JB, Sagan C. Polarization of Thermal Emission from Venus. The Astrophysical Journal. 141: 1161. DOI: 10.1086/148206 |
0.485 |
|
| 1965 |
Pollack JB, Sagan C. Polarization of Thermal Emission from Venus. The Astronomical Journal. 70: 146. DOI: 10.1086/109586 |
0.549 |
|
| 1965 |
Pollack JB, Sagan C. The infrared limb darkening of Venus Journal of Geophysical Research. 70: 4403-4426. DOI: 10.1029/Jz070I018P04403 |
0.558 |
|
| 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 |
0.312 |
|
| 1965 |
Pollack JB, Sagan C. The microwave phase effect of Venus Icarus. 4: 62-103. DOI: 10.1016/0019-1035(65)90018-7 |
0.571 |
|
| 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 |
0.346 |
|
| 1964 |
Pollack JB, Sagan C. Interpretations of the Infrared Limb-Darkening of Venus. The Astronomical Journal. 69: 555. DOI: 10.1086/109497 |
0.504 |
|
| 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 |
0.328 |
|
| 1962 |
Kellogg WW, Sagan C. The Atmospheres of Mars and Venus American Journal of Physics. 30: 776-776. DOI: 10.1119/1.1941792 |
0.368 |
|
| 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 |
0.354 |
|
| 1960 |
Sagan C. The Production of Organic Molecules in Planetary Atmospheres. The Astronomical Journal. 65: 499. DOI: 10.1086/108320 |
0.307 |
|
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