Refining the Earth's Pear Shape

Vanguard Measurements Give Pear-Shaped Component of Earth's Figure

John A. O’Keefe, Ann Eckeis, R. K. Squires · Science · 1959 · 78 citations

Natural Sciences, Earth Sciences, Geophysics +6

Use of Artificial Satellites to Explore the Earth's Gravitational Field: Results from Sputnik 2 (1957β)

R. H. Merson, D. G. King‐Hele · Nature · 1958 · 67 citations

Natural Sciences, Aerospace Engineering, Physics +12

Evaluation of odd zonal harmonics in the geopotential, of degree less than 33, from the analysis of 22 satellite orbits

D. G. King‐Hele, Gerald Cook, Diana W. Scott · Planetary and Space Science · 1969 · 37 citations

Natural Sciences, Earth Sciences, Geophysics +9