observations, latitude, science, azimuth, phenomena, observation, proportions, figures, data, knowledge, north, positions, theory, system, space, calculations, prices, heights, meridian, levels, position, measurements, tide, azimuths, tables, observatory, work, longitude, changes, events, sums, punctuality, numbers, significance, dimensions, laws, determinations, coordinates, rise, research, instruments, figure, tides, number, evolution, bodies, station, stations, sum, determination, world, methods, causes, costs, telescope, units, latitudes, fact, eye, scale, systems, rates, facts, force, signs, distances, discoveries, lore, rhythms, rate, phenomenon, cycles, theories, growth, universe, leisure, heavens, increase, cost, values, purposes, context, observatories, computations, periods, populaire, objects, wonders, unit, quantities, rhythm, amounts, sights, directions