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The Gravity Field and Interior Structure of Enceladus
Abstract
Inside Enceladus: Saturn's moon Enceladus has often been the focus of flybys of the Cassini spacecraft. Although small—Enceladus is roughly 10 times smaller than Saturn's largest moon, Titan—Enceladus has shown hints of having a complex internal structure rich in liquid water. Iess et al. (p. 78 ) used long-range data collected by the Cassini spacecraft to construct a gravity model of Enceladus. The resulting gravity field indicates the presence of a large mass anomaly at its south pole. Calculations of the moment of inertia and hydrostatic equilibrium from the gravity data suggest the presence of a large, regional subsurface ocean 30 to 40 km deep.
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Cited by
Cassini finds molecular hydrogen in the Enceladus plume: Evidence for hydrothermal processes
Waite, J. H., Glein, C. R., Perryman, R. S., Teolis, B. D., Magee, B. A., Miller, G., Grimes, J., Perry, M. E., Miller, K. E., Bouquet, A., et al. (2017) · Science · doi:10.1126/science.aai8703 · Cited by 580
Self-citationMacromolecular organic compounds from the depths of Enceladus
Postberg, F., Khawaja, N., Abel, B., Choblet, G., Glein, C. R., Gudipati, M. S., Henderson, B. L., Hsu, H.-W., Kempf, S., Klenner, F., et al. (2018) · Nature · doi:10.1038/s41586-018-0246-4 · Cited by 447
Glein, C. R., Baross, J. A., & Waite, J. H. (2015) · Geochimica et Cosmochimica Acta · doi:10.1016/j.gca.2015.04.017 · Cited by 276
Measurement and implications of Saturn’s gravity field and ring mass
Iess, L., Militzer, B., Kaspi, Y., Nicholson, P., Durante, D., Racioppa, P., Anabtawi, A., Galanti, E., Hubbard, W., Mariani, M. J., et al. (2019) · Science · doi:10.1126/science.aat2965 · Cited by 253
Self-citationDetection of phosphates originating from Enceladus’s ocean
Postberg, F., Sekine, Y., Klenner, F., Glein, C. R., Zou, Z., Abel, B., Furuya, K., Hillier, J. K., Khawaja, N., Kempf, S., et al. (2023) · Nature · doi:10.1038/s41586-023-05987-9 · Cited by 154
Metadata
- Authors
- Iess, L., Stevenson, D. J., Parisi, M., Hemingway, D., Jacobson, R. A., Lunine, J. I., Nimmo, F., Armstrong, J. W., Asmar, S. W., Ducci, M., & Tortora, P.
- Venue
- Science
- Published
- 2014-04-04
- Volume
- 344
- Issue
- 6179
- Pages
- 78-80
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2136731888
- Cited by
- 428
- References
- 0
- FWCI
- 23.28
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: The Gravity Field and Interior Structure of Enceladus. https://app.cochat.ai/papers/10.1126/science.1250551
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- Iess, L., Stevenson, D. J., Parisi, M., Hemingway, D., Jacobson, R. A., Lunine, J. I., Nimmo, F., Armstrong, J. W., Asmar, S. W., Ducci, M., & Tortora, P. (2014). The Gravity Field and Interior Structure of Enceladus. Science. https://doi.org/10.1126/science.1250551
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