Before revision: U.S. Vanguard 1 satellite data from 1958 indicates that the North Pole's sea level is raised about with higher gravitational attraction exhibited by the Southern Hemisphere , possibly due to its underlying composition ; potential factors involved in this aberration include tides and subcrustal motion (e.g.
After revision: U.S. Vanguard 1 satellite data from 1958 indicates that the North Pole's sea level is raised about with higher gravitational attraction exhibited by the Southern Hemisphere ; potential factors involved in this aberration include tides and subcrustal motion (e.g.