Electronic Resource
Oxford, UK
:
Blackwell Publishing Ltd
Geophysical journal international
106 (1991), S. 0
ISSN:
1365-246X
Source:
Blackwell Publishing Journal Backfiles 1879-2005
Topics:
Geosciences
Notes:
Let the Earth's equatorial principal moments of inertia be A and B, where A 〈 B, and the corresponding principal axes be a and b. Explicit formulae are here derived for determining the orientation of a and b axes and the difference B – A using C22 and S22, the two gravitational harmonic coefficients of degree 2 and order 2. For the Earth, the a axis lies along the (14.93°W, 165.07°E) diameter, and the b axis lies perpendicular to it along the (75.07°E, 104.93°W) diameter. The difference B – A is 7.260 × 10−6MR2. These quantities for other planets are contrasted, and geophysical implications are discussed.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1111/j.1365-246X.1991.tb06341.x
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