Astronomy, in Five Books

according alſo ancient angle apparent diameter appear axis becauſe bodies called carried circle comes conſequently conſidered contained continued declination deſcribed direction diſtance divided drawn earth eaſt ecliptic equal equator fall feet figure firſt fixt given globe greater greateſt half heaven height horizon imagin known latitude length leſs light London longitude magnitude manner marked mars mean meaſure mercury meridian method miles minutes moon moſt motion muſt names nearer object oblique obſervations oppoſite orbit parallax parallel paſſes planets pole projection rays reaſon refraction repreſented round ſaid ſame ſay ſecond ſee ſeen ſet ſeveral ſhall ſhew ſide ſituation ſmall ſome ſouth ſphere ſquare ſtars ſtrait line ſuch ſun ſun's ſuppoſe ſurface taken tangent theſe thoſe triangle true uſe venus whole