Sagan, Carl

Endogenous production, exogenous delivery and impact-shock synthesis of organic molecules: an inventory for the origins of life

Chyba, C., & Sagan, C. (1992) · Nature

Origins and Evolution of LifeAstro and Planetary Science

Cited by 1,321

Earth and Mars: evolution of atmospheres and surface temperatures

Sagan, C., & Mullen, G. (1972) · Science

Astro and Planetary SciencePlanetary Science and Exploration

Cited by 942

A New Look at the Saturn System: The Voyager 2 Images

Smith, B. A., Soderblom, L., Batson, R., Bridges, P., Inge, J., Masursky, H., Shoemaker, E., Beebe, R., Boyce, J., Briggs, G., et al. (1982) · Science

Astro and Planetary SciencePlanetary Science and Exploration

Cited by 848

Encounter with Saturn: Voyager 1 imaging science results

Smith, B. A., Soderblom, L., Beebe, R., Boyce, J., Briggs, G., Bunker, A., Collins, S. A., Hansen, C. J., Johnson, T. V., Mitchell, J. L., et al. (1981) · Science

Astro and Planetary ScienceStellar, planetary, and galactic studies

Cited by 795

Cometary Delivery of Organic Molecules to the Early Earth

Chyba, C. F., Thomas, P. J., Brookshaw, L., & Sagan, C. (1990) · Science

Astro and Planetary ScienceOrigins and Evolution of Life

Cited by 577

A search for life on Earth from the Galileo spacecraft

Sagan, C., Thompson, W. R., Carlson, R., Gurnett, D., & Hord, C. (1993) · Nature

Space Science and Extraterrestrial LifePlanetary Science and Exploration

Cited by 507

The Early Faint Sun Paradox: Organic Shielding of Ultraviolet-Labile Greenhouse Gases

Sagan, C., & Chyba, C. (1997) · Science

Astro and Planetary SciencePaleontology and Stratigraphy of Fossils

Cited by 396

Particles, environments, and possible ecologies in the Jovian atmosphere

Sagan, C., & Salpeter, E. E. (1976) · The Astrophysical Journal Supplement Series

Astro and Planetary ScienceSpace Science and Extraterrestrial Life

Cited by 128

Reducing greenhouses and the temperature history of Earth and Mars

SAGAN, C. (1977) · Nature

Astro and Planetary ScienceEarth Systems and Cosmic Evolution

Cited by 76

Mariner 9 television observations of Phobos and Deimos

Pollack, J. B., Veverka, J., Noland, M., Sagan, C., Hartmann, W. K., Duxbury, T. C., Born, G. H., Milton, D. J., & Smith, B. A. (1972) · Icarus

Astro and Planetary SciencePlanetary Science and Exploration

Cited by 44