Porco et al. 2006
Porco, C.C., P. Helfenstein, P.C. Thomas, A.P. Ingersoll, J. Wisdom, R. West, G. Neukum, T. Denk, R. Wagner, T. Roatsch, S. Kieffer, E. Turtle, A. McEwen, T.V. Johnson, J. Rathbun, J. Veverka, D. Wilson, J. Perry, J. Spitale, A. Brahic, J.A. Burns, A.D. Del Genio, L. Dones, C.D. Murray, and S. Squyres, 2006: Cassini observes the active south pole of Enceladus. Science, 311, 1393-1401, doi:10.1126/science.1123013.
Cassini has identified a geologically active province at the south pole of Saturn's moon Enceladus. In images acquired by the Imaging Science Subsystem (ISS), this region is circumscribed by a chain of folded ridges and troughs at ~55°S latitude. The terrain southward of this boundary is distinguished by its albedo and color contrasts, elevated temperatures, extreme geologic youth, and narrow tectonic rifts that exhibit coarse-grained ice and coincide with the hottest temperatures measured in the region. Jets of fine icy particles that supply Saturn's E ring emanate from this province, carried aloft by water vapor probably venting from subsurface reservoirs of liquid water. The shape of Enceladus suggests a possible intense heating epoch in the past by capture into a 1:4 secondary spin/orbit resonance.
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Porco, C.C., Helfenstein, P., Thomas, P.C., Ingersoll, A.P., Wisdom, J., West, R., Neukum, G., Denk, T., Wagner, R., Roatsch, T., Kieffer, S., Turtle, E., McEwen, A., Johnson, T.V., Rathbun, J., Veverka, J., Wilson, D., Perry, J., Spitale, J., Brahic, A., Burns, J.A., Del Genio, A.D., Dones, L., Murray, C.D., and Squyres, S.: Cassini observes the active south pole of Enceladus, Science, 311, 1393-1401, doi:10.1126/science.1123013, 2006.
Porco, C.C., P. Helfenstein, P.C. Thomas, A.P. Ingersoll, J. Wisdom, R. West, G. Neukum, T. Denk, R. Wagner, T. Roatsch, S. Kieffer, E. Turtle, A. McEwen, T.V. Johnson, J. Rathbun, J. Veverka, D. Wilson, J. Perry, J. Spitale, A. Brahic, J.A. Burns, A.D. Del Genio, L. Dones, C.D. Murray, and S. Squyres (2006), Cassini observes the active south pole of Enceladus, Science, 311, 1393-1401, doi:10.1126/science.1123013.
Porco, C.C., P. Helfenstein, P.C. Thomas, A.P. Ingersoll, J. Wisdom, R. West, G. Neukum, T. Denk, R. Wagner, T. Roatsch, S. Kieffer, E. Turtle, A. McEwen, T.V. Johnson, J. Rathbun, J. Veverka, D. Wilson, J. Perry, J. Spitale, A. Brahic, J.A. Burns, A.D. Del Genio, L. Dones, C.D. Murray, and S. Squyres, 2006: Cassini observes the active south pole of Enceladus. Science, 311, 1393-1401, doi:10.1126/science.1123013.
Porco, C.C., et al. 2006, Science, 311, 1393, doi:10.1126/science.1123013.
Porco CC, Helfenstein P, Thomas PC, Ingersoll AP, Wisdom J, West R, Neukum G, Denk T, Wagner R, Roatsch T, Kieffer S, Turtle E, McEwen A, Johnson TV, Rathbun J, Veverka J, Wilson D, Perry J, Spitale J, Brahic A, Burns JA, Del Genio AD, Dones L, Murray CD, Squyres S. Cassini observes the active south pole of Enceladus, Science 2006;311:1393-1401. doi:10.1126/science.1123013.
C.C. Porco, P. Helfenstein, P.C. Thomas, A.P. Ingersoll, J. Wisdom, R. West, G. Neukum, T. Denk, R. Wagner, T. Roatsch, S. Kieffer, E. Turtle, A. McEwen, T.V. Johnson, J. Rathbun, J. Veverka, D. Wilson, J. Perry, J. Spitale, A. Brahic, J.A. Burns, A.D. Del Genio, L. Dones, C.D. Murray, S. Squyres, Science 311, 1393-1401, doi:10.1126/science.1123013 (2006).
