Saturn's internal structure and carbon enrichment

被引：0

作者：

Mousis, O. ^{[1
]}

Alibert, Y. ^{[2
]}

Benz, W. ^{[2
]}

机构：

[1] Observatoire de Besançon, CNRS - UMR 6091, BP 1615, 25010 Besançon Cedex, France

[2] Physikalisches Institut, University of Bern, Sidlerstrasse 5, 3012 Bern, Switzerland

来源：

Astronomy and Astrophysics | 1600年 / 449卷 / 01期

关键词：

We use the clathrate hydrate trapping theory to calculate the enrichments in O; N; S; Xe; Ar and Kr compared to solar in Saturn's atmosphere. For this; we calibrate our calculations using two different carbon abundance determinations that cover the domain of measurements published in recent decades: one derived from the NASA Kuiper Airborne Observatory measurements and the other obtained from the Cassini spacecraft observations. We show that these two carbon abundances imply a different minimum heavy element content for Saturn. Using the Kuiper Airborne Observatory measurement for calibration; the amount of ices accreted by Saturn is found to be consistent with current interior models of this planet. On the other hand; using the Cassini measurement for calibration leads to an ice content in the planet's envelope that is higher than the one derived from the interior models. In this case; reconciling the interior models with the amount of C measured by the Cassini spacecraft requires that significant differential sedimentation of water and volatile species has taken place in Saturn's interior during its lifetime. © ESO 2006;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Journal article (JA)

引用

页码：411 / 415

共 50 条

[1] Saturn's internal structure and carbon enrichment
Mousis, O
Alibert, Y
Benz, W
ASTRONOMY & ASTROPHYSICS, 2006, 449 (01) : 411 - 415
[2] Saturn's Rings as a Seismograph to Probe Saturn's Internal Structure
Mankovich, Christopher R.
AGU ADVANCES, 2020, 1 (02):
[3] Saturn's gravitational field, internal rotation, and interior structure
Anderson, John D.
Schubert, Gerald
SCIENCE, 2007, 317 (5843) : 1384 - 1387
[4] Thermodynamics in an icy world: The atmosphere and internal structure of Saturn's moon Titan
Heintz, Andreas
Bich, Eckard
PURE AND APPLIED CHEMISTRY, 2009, 81 (10) : 1903 - 1920
[5] Saturn's internal planetary magnetic field
Burton, M. E.
Dougherty, M. K.
Russell, C. T.
GEOPHYSICAL RESEARCH LETTERS, 2010, 37
[6] THE EVOLUTION AND INTERNAL STRUCTURE OF JUPITER AND SATURN WITH COMPOSITIONAL GRADIENTS
Vazan, A.
Helled, R.
Podolak, M.
Kovetz, A.
ASTROPHYSICAL JOURNAL, 2016, 829 (02):
[7] Saturn's jet streams powered by internal heat
不详
ASTRONOMY & GEOPHYSICS, 2012, 53 (04) : 8 - 8
[8] The magnetic structure of Saturn's magnetosheath
Sulaiman, A. H.
Masters, A.
Dougherty, M. K.
Jia, X.
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 2014, 119 (07) : 5651 - 5661
[9] No Evidence for Time Variation in Saturn's Internal Magnetic Field
Moore, Kimberly M. M.
Bolton, Bryce
Cao, Hao
Dougherty, Michele K.
Bloxham, Jeremy
PLANETARY SCIENCE JOURNAL, 2021, 2 (05):
[10] On the origin of irregular structure in Saturn's rings
Tremaine, S
ASTRONOMICAL JOURNAL, 2003, 125 (02): : 894 - 901

← 1 2 3 4 5 →