F. R. Stephenson, Historical eclipses and earth’s rotation

Peritia ◽  
1997 ◽  
Vol 11 ◽  
pp. 378-381
Author(s):  
D. P. McCarthy
1966 ◽  
Vol 25 ◽  
pp. 323-325 ◽  
Author(s):  
B. Garfinkel

The paper extends the known solution of the Main Problem to include the effects of the higher spherical harmonics of the geopotential. The von Zeipel method is used to calculate the secular variations of orderJmand the long-periodic variations of ordersJm/J2andnJm,λ/ω. HereJmandJm,λare the coefficients of the zonal and the tesseral harmonics respectively, withJm,0=Jm, andωis the angular velocity of the Earth's rotation. With the aid of the theory of spherical harmonics the results are expressed in a most compact form.


1992 ◽  
Vol 30 (4) ◽  
pp. 196-196
Author(s):  
Robert Lanni

2017 ◽  
Vol 116 ◽  
pp. 146-158 ◽  
Author(s):  
Roger Grimshaw ◽  
Jose C. B. da Silva ◽  
Jorge M. Magalhaes

1929 ◽  
Vol 89 (5) ◽  
pp. 549-551 ◽  
Author(s):  
F. W. Dyson ◽  
R. T. Cullen

Science ◽  
1943 ◽  
Vol 97 (2510) ◽  
pp. 138-138
Author(s):  
P. KIRKPATRICK

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