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diversity_n and_o appearance_n of_o his_o rise_n and_o set_v and_o obliquation_n he_o divide_v the_o season_n of_o the_o year_n and_o cause_v a_o interchangeable_a course_n and_o vicissitude_n of_o day_n and_o night_n of_o mercury_n the_o first_o primary_n planet_n above_o the_o sun_n be_v mercury_n who_o perform_v his_o course_n in_o his_o elipsis_n in_o 88_o day_n his_o proper_a diurnal_a motion_n be_v 4_o deg._n 5_o min._n 12_o second_o the_o circuit_n of_o his_o sphere_n be_v 12059773_o mile_n so_o that_o he_o wheel_v in_o a_o day_n 137040_o miles_n and_o in_o a_o hour_n 5710_o miles_n and_o in_o a_o min._n 91_o miles_n the_o body_n of_o mercury_n be_v less_o than_o the_o earth_n 3000_o time_n his_o great_a elongation_n from_o the_o sun_n in_o respect_n of_o the_o earth_n position_n be_v sometime_o but_o 17_o deg._n and_o never_o full_o 19_o deg._n so_o that_o he_o be_v seldom_o see_v of_o we_o of_o venus_n next_o above_o mercury_n be_v the_o orb_n and_o glitter_a star_n of_o venus_n who_o make_v her_o periodical_a revolution_n
aquila_n 11″_n 00‴_n 11.0_o 1120_o 5.7_o 25_o 137_o 3_o algol_n 7″_n 3‴_n 7.3_o 260_o 3.2_o â—_o 34_o 4_o propus_n 6″_n 10‴_n 6.10_o 216_o 2_o 9_o 10_o 26_o 5_o pleias_n 4″_n ⅘‴_n 4._o â…˜_n 92_o 2_o 7_o 10_o 18_o 6_o alcor_n 4″_n 0‴_n 4.0_o 64_o 2.25_o 100_o 9_o but_o see_v the_o astronomer_n of_o the_o copernican_n opinion_n maintain_v the_o magnitude_n of_o the_o fix_a star_n to_o be_v far_o great_a than_o the_o former_a table_n show_v they_o to_o be_v it_o will_v not_o be_v amiss_o to_o annex_v this_o follow_a table_n 5._o table_n show_v the_o true_a magnitude_n of_o the_o fix_a star_n that_o be_v one_o of_o the_o great_a and_o one_o of_o the_o least_o viz._n sirias_n and_o alcor_n suppose_v the_o apparent_a diameter_n of_o sirius_n to_o be_v 18″_n of_o alcor_n 4″_n according_a to_o the_o distance_n in_o the_o copernican_n hypothesis_n maintain_v the_o paraliax_n make_v by_o the_o earth_n motion_n not_o to_o exceed_v 10″_n and_o imagine_v the_o diameter_n of_o the_o annual_a orb_n to_o be_v such_o as_o upon_o these_o principle_n it_o be_v state_v to_o be_v according_a to_o kepler_n the_o distance_n to_o be_v assert_v in_o semidiameter_n of_o the_o earth_n the_o true_a magnitude_n of_o sirius_n the_o true_a diameter_n of_o alcor_n the_o diana_n of_o sirius_n contain_v diana_n of_o the_o earth_n the_o body_n of_o sirius_n contain_v the_o earth_n body_n the_o diana_n of_o alcor_n contain_v diana_n of_o the_o earth_n it_o be_v body_n contain_v the_o earth_n body_n 142.746.428_o 12550_o 1967656731000_o 6000_o 216000000000_o these_o magnitude_n may_v seem_v by_o some_o to_o be_v exorbitant_a but_o in_o the_o opinion_n of_o the_o judicious_a do_v appear_v to_o be_v rational_a of_o the_o place_n and_o distance_n of_o the_o star_n from_o the_o earth_n or_o rather_o the_o sun_n seem_v to_o be_v a_o question_n of_o that_o difficulty_n that_o pliny_n pronounce_v the_o investigation_n thereof_o to_o be_v no_o less_o than_o a_o piece_n of_o madness_n therefore_o riccolus_n treat_v upon_o this_o subject_n think_v fit_a in_o the_o front_n of_o his_o discourse_n to_o prefix_v this_o theorem_fw-la as_o a_o most_o certain_a truth_n parallaxis_n &_o distantia_fw-la fixarum_fw-la non_fw-la potest_fw-la certa_fw-la &_o evidenta_fw-la observatione_fw-la humanitus_fw-la comprehend_v for_o it_o be_v not_o know_v whether_o the_o star_n be_v all_o in_o the_o same_o spherical_a superficies_n equal_o distant_a from_o the_o centre_n of_o the_o world_n or_o whether_o they_o be_v place_v at_o unequal_a distance_n some_o high_a and_o some_o low_a this_o latter_a be_v the_o sentiment_n of_o the_o ancient_a stoical_a philosopher_n who_o conceive_v the_o difference_n of_o their_o lustre_n and_o apparent_a magnitude_n to_o proceed_v from_o their_o diversity_n of_o situation_n as_o more_o or_o less_o remove_v from_o our_o sight_n of_o this_o opinion_n be_v manilius_n long_v since_o declate_v speak_v of_o some_o star_n in_o orion_n appear_v more_o obscure_a than_o the_o rest_n he_o give_v the_o reason_n of_o that_o phenomenon_n to_o be_v non_fw-la quod_fw-la clara_fw-la minus_fw-la sed_fw-la quod_fw-la magis_fw-la alta_fw-la recedunt_fw-la this_o hypothesis_n so_o seem_o rational_a that_o the_o famous_a tycho_n gallileo_n and_o kepler_n have_v ready_o embrace_v the_o same_o and_o therefore_o it_o may_v reasonable_o be_v suppose_v that_o their_o distance_n be_v as_o divers_a as_o those_o of_o the_o planet_n ricciolus_n reckon_v up_o five_o manner_n of_o way_n of_o attain_v in_o some_o probability_n the_o knowledge_n of_o their_o immense_a distance_n according_a to_o his_o computation_n the_o least_o distance_n that_o may_v be_v assign_v be_v find_v to_o amount_v to_o 210000_o semidiameter_n of_o the_o earth_n the_o great_a be_v altogether_o uncertain_a by_o reason_n the_o crassitude_n or_o profundity_n of_o their_o heaven_n be_v not_o to_o be_v determine_v the_o horizontal_n parallax_n of_o the_o fix_a star_n according_a to_o their_o least_o distance_n be_v but_o 1″_n the_o distance_n of_o the_o fix_a star_n assert_v by_o the_o copernican_n author_n semidiameter_n of_o the_o earth_n the_o great_a parallax_n of_o the_o fix_a star_n make_v from_o the_o annual_a motion_n of_o the_o earth_n the_o half_a from_o the_o semidiameter_n the_o whole_a from_o the_o diameter_n of_o the_o annual_a orb_n copernicus_n indefinite_a **_o **_o gallileus_n 13.046.400_o 0′_n 20″_n 0′_n 40″_n the_o distance_n of_o the_o fix_a star_n suppose_v the_o earth_n annual_a motion_n and_o copernican_n distance_n of_o the_o earth_n from_o the_o sun_n according_a to_o the_o calculation_n of_o tycho_n and_o maginus_fw-la 7850,000_o semidiamiter_n of_o the_o earth_n and_o the_o total_a parallax_n of_o the_o fix_a star_n 1′_n 00″_n the_o distance_n of_o the_o fix_a star_n from_o the_o earth_n suppose_v the_o earth_n motion_n and_o the_o great_a parallax_n of_o the_o fix_a star_n to_o be_v 10″_n the_o distance_n of_o the_o star_n from_o the_o earth_n in_o semidiameter_n of_o the_o earth_n according_a to_o copernicus_n be_v 47.439.800_o and_o the_o distance_n of_o the_o sun_n from_o the_o earth_n be_v 1150_o semidiameter_n of_o the_o earth_n of_o the_o proper_a motion_n of_o the_o fix_a star_n the_o motion_n of_o the_o fix_a star_n be_v twofold_a first_o their_o circumrotation_n about_o their_o own_o centre_n term_v motus_fw-la vertigenis_n in_o which_o they_o be_v carry_v about_o with_o extraordinary_a celerity_n whence_o the_o reason_n in_o part_n be_v the_o cause_n of_o their_o scintillation_n the_o second_o be_v their_o motion_n of_o revolution_n from_o west_n to_o east_n in_o which_o they_o be_v observe_v to_o move_v but_o very_o slow_o touch_v this_o it_o will_v not_o be_v amiss_o to_o insert_v the_o three_o follow_a conclusion_n of_o ricciolus_n in_o his_o astronom_n reformat_fw-la pag._n 259_o quote_v by_o esquire_n sherborn_n in_o the_o sphere_n of_o manilius_n 1._o that_o the_o motion_n of_o the_o fix_a star_n be_v equal_a and_o uniform_a 2._o that_o their_o annual_a motion_n be_v not_o less_o than_o 49″_n not_o great_a than_o 51″_n 3._o that_o it_o seem_v most_o probable_a that_o their_o annual_a motion_n be_v 50′_n 40″_n from_o the_o supposition_n of_o their_o annual_a motion_n of_o 50′_n 40″_n it_o follow_v that_o they_o complete_a not_o one_o degree_n in_o the_o ecliptic_a soon_o than_o in_o 71_o year_n and_o 16_o 104_o or_o 19_o day_n and_o 12_o hour_n in_o a_o manner_n but_o the_o whole_a circle_n of_o 360_o degree_n they_o run_v not_o through_o in_o less_o than_o 25579_o sidereal_a year_n which_o be_v the_o annus_fw-la magnus_fw-la platonicus_n though_o by_o the_o ancient_n compute_v to_o extend_v to_o no_o less_o than_o 36000_o year_n but_o this_o will_v be_v clear_o manifest_v by_o this_o follow_a table_n a_o table_n of_o the_o motion_n of_o the_o fix_a star_n in_o longitude_n year_n ′_o ″_o ‴_o 1_o 0_o 50_o 40_o 10_o 8_o 26_o 40_o 20_o 16_o 53_o 20_o 30_o 25_o 20_o 00_o 40_o 33_o 46_o 40_o 50_o 42_o 13_o 20_o 60_o 50_o 40_o 00_o  _fw-fr gr._n ′_o ″_o ‴_o 70_o 0_o 59_o 06_o 40_o 80_o 1_o 07_o 33_o 20_o 90_o 1_o 16_o 00_o 00_o 100_o 1_o 24_o 26_o 40_o 1000_o 14_o 04_o 26_o 40_o 10000_o 140_o 44_o 26_o 40_o 25000_o 360_o 00_o 00_o 00_o of_o the_o two_o hemisphere_n of_o the_o heaven_n the_o one_o show_v the_o constellation_n of_o the_o northern_a and_o the_o other_o of_o the_o southern_a hemisphere_n of_o the_o heaven_n wherein_o may_v be_v see_v the_o right_a ascension_n and_o declination_n of_o any_o of_o the_o star_n in_o either_o hemisphere_n by_o which_o any_o star_n may_v be_v easy_o find_v and_o the_o way_n or_o course_n of_o a_o new_a star_n or_o comet_n may_v be_v trace_v in_o its_o way_n or_o orbit_n with_o several_a other_o use_n etc._n etc._n the_o name_n of_o each_o constellation_n and_o the_o number_n of_o the_o star_n in_o each_o of_o they_o that_o be_v observe_v by_o the_o bare_a eye_n without_o the_o help_n of_o a_o telescope_n according_a to_o bayerus_n and_o other_o the_o northern_a sign_n of_o the_o zodiac_n 1_o aries_n 29_o 2_o taurus_n 48_o 3_o gemini_fw-la 31_o 4_o cancer_n 35_o 5_o leo_fw-la 43_o 6_o virgo_fw-la 42_o the_o southern_a sign_n of_o the_o zodiac_n 7_o libra_n 15_o 8_o scorpio_n 29_o 9_o sagittarius_fw-la 31_o 10_o capricornus_fw-la 29_o 11_o aquarius_n 41_o 12_o pisces_fw-la 37_o a_o map_n of_o the_o two_o hemisphere_n of_o the_o heaven_n aries_n taurus_z gemini_fw-la cancer_n leo._n virgo_fw-la pisces_fw-la cancer_n leo_fw-la virgo_fw-la boötes_fw-la androm_n aquarius_n libra_n corvuis_fw-fr crater_n hydra_n coetus_fw-la phoenix_n libra_n scorpio_n sagittar_n caprico_n aquari_fw-la pisces_fw-la ♂_o ♀_o ☿_o ♃_o ♄_o ♄_o ♃_o ♀_o ♂_o ♀_o the_o northern_a constellation_n 1_o ursa_fw-la minor_fw-la 8_o 2_o ursa_fw-la major_n 32_o 3_o draco_n 33_o 4_o cepheus_n 17_o 5_o boötes_fw-la 34_o 6_o corona_n 20_o 7_o hercules_n 48_o 8_o lyra_n