## The New Principia: Or, True System of Astronomy. In which the Earth is Proved to be the Stationary Centre of the Solar System, Etc |

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agree amount angle angular motion aphelion appear assumed astronomers attraction believe bodies calculation cause centre circle computed conjunction correct course daily motion demonstrated determine diagram diameter difference direct dist Ditto doctrine earth eclipses effect equal equator equinox error evidence exact exactly explain extent fact fallacy feet figure fixed follows force given gives idea Jupiter less light longitude Mars matter maximum mean distance mean motion measure Mercury method miles millions minutes moon moon's move Nautical Almanac nearly Newton Newtonian numbers observed opposition orbit parallax pass perigee period plain planet pole position PROBLEM prove reference refraction represents retrograde round scientific seen semidiameter shadow shew side sine Sir John solar system stars stationary sun's taken tance theory tion true true distance truth Venus whole