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earth_n fix_a motion_n star_n 2,539 5 9.5176 5 false
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ID Title Author Corrected Date of Publication (TCP Date of Publication) STC Words Pages
A26110 Astronomy's advancement, or, News for the curious being a treatise of telescopes, and an account of the marvelous astronomical discoveries of late years made throughout Europe : with the figures of the sun, moon, and planets, with Copernicus his system, in twelve copper plates : also, an abstract to ching the distance, faces, bulks, and orbs of the heavenly bodies, the best way of using instruments for satisfaction, &c. out of the best astronomers, ancient and modern, viz. Mr. Hook, Mr. Bouilleau, Mr. Hevelius, Father Kircher, &c. / done out of French by Jos. Walker. Walker, Joseph. 1684 (1684) Wing A4084; ESTC R5939 21,942 80

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apparent_a diameter_n be_v judge_v by_o none_o above_o one_o minute_n and_o some_o odd_a part_n however_o his_o body_n be_v according_a to_o ptolomey_n seventy_o nine_o time_n according_a to_o lansbergius_n forty_o six_o according_a to_o tycho_n but_o twenty_o two_o time_n big_a than_o the_o earth_n and_o at_o our_o old_a rate_n the_o diameter_n of_o his_o orb_n will_v be_v about_o thirty_o one_o thousand_o six_o hundred_o and_o two_o semidiameter_n of_o the_o earth_n and_o the_o compass_n of_o his_o orb_n about_o ninety_o four_o thousand_o eight_o hundred_o and_o six_o of_o they_o thus_o far_o then_o of_o the_o planet_n their_o mean_a distance_n from_o we_o their_o bulk_n and_o orbit_n sect_n vii_o of_o the_o fix_a star_n their_o magnitude_n and_o sphere_n because_o some_o have_v judge_v certain_a comet_n to_o have_v mount_v as_o high_a as_o the_o sphere_n of_o the_o fix_a star_n be_v that_o they_o be_v not_o able_a to_o observe_v they_o have_v any_o parallax_n we_o will_v therefore_o 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three_o and_o thus_o much_o of_o the_o moon_n sect_n iv_o of_o the_o distance_n of_o mercury_n and_o venus_n from_o the_o earth_n the_o compass_n of_o their_o orb_n and_o the_o bigness_n of_o their_o body_n after_o what_o have_v be_v say_v of_o the_o moon_n all_o will_v be_v much_o plain_o touch_v both_o the_o other_o planet_n and_o fix_a star_n of_o which_o we_o will_v first_o consider_v mercury_n and_o venus_n who_o we_o thus_o put_v together_o because_o they_o also_o as_o the_o moon_n be_v common_o think_v less_o than_o the_o earth_n though_o far_o more_o distant_a than_o the_o moon_n mercury_n be_v by_o the_o ptolomaick_n think_v to_o be_v 115_o half_a diameter_n of_o the_o earth_n distant_a from_o the_o earth_n but_o by_o tycho_n brahe_n 1150_o and_o by_o lansbergius_n 1500._o now_o if_o we_o will_v reckon_v according_a to_o ptolomey_n mercury_n will_v be_v 480355_o mile_n distant_a from_o the_o earth_n whichnumber_n if_o we_o double_v and_o add_v thereto_o the_o diameter_n of_o 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by_o the_o ptolomaick_a system_n distant_a from_o the_o earth_n 618_o semidiameter_n of_o the_o earth_n by_o the_o tychonick_a 1150_o by_o lansbergius_n 1500._o now_o if_o we_o will_v reckon_v again_o according_a to_o the_o low_a rate_n which_o be_v that_o of_o ptolomey_n venus_n will_v be_v 2581386_o miles_n distant_a from_o the_o earth_n which_o number_n of_o we_o double_a and_o add_v thereto_o the_o diameter_n of_o the_o earth_n viz._n 8354_o as_o above_o we_o have_v the_o diameter_n of_o her_o orb_n and_o that_o number_n if_o we_o treble_a as_o before_o we_o have_v near_o the_o compass_n of_o her_o orb_n viz._n 15513378_o which_o yet_o it_o be_v apparent_a other_o will_v make_v vast_o large_a as_o to_o the_o bulk_n of_o this_o glorious_a star_n ptotomey_n make_v it_o twenty_o eight_o time_n less_o than_o the_o earth_n tycho_n only_o six_o time_n less_o and_o lansbergius_n but_o three_o and_o a_o three_o part_n her_o apparent_a diameter_n according_a to_o the_o first_o be_v of_o 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and_o for_o the_o compass_n of_o his_o orb_n 27410_o of_o the_o same_o jupiter_n mean_a distance_n be_v according_a to_o ptolomey_n ten_o thousand_o four_o hundred_o and_o twenty_o three_o semidiameter_n of_o the_o earth_n his_o apparent_a diameter_n two_o minute_n and_o a_o half_a and_o his_o body_n eighty_o one_o time_n big_a than_o the_o earth_n according_a to_o tycho_n he_o be_v only_o three_o thousand_o nine_o hundred_o and_o ninety_o semidiameter_n of_o the_o earth_n distant_a from_o it_o his_o apparent_a diameter_n much_o at_o the_o same_o rate_n as_o the_o ptolomean_n judge_v it_o but_o his_o body_n only_o fourteen_o time_n big_a than_o the_o earth_n lansbergius_n make_v he_o eight_o thousand_o and_o ninety_o one_o semidiameter_n of_o the_o earth_n distant_a from_o it_o his_o body_n but_o twenty_o five_o and_o two_o five_o part_v big_a than_o the_o earth_n hortensius_z but_o one_o and_o one_o four_o big_a and_o his_o apparent_a diameter_n only_o of_o fifty_o second_o and_o 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borrow_v of_o the_o sun_n 2._o that_o every_o one_o of_o the_o planet_n except_o the_o sun_n change_v their_o face_n like_o the_o moon_n so_o that_o venus_n and_o mercury_n do_v sometime_o appear_v like_o a_o half_a moon_n and_o sometime_o quite_o round_o according_a as_o these_o planet_n be_v find_v more_o or_o less_o opposite_a unto_o the_o sun_n that_o mars_n sometime_o appear_v in_o a_o curvy_a line_a figure_n that_o saturn_n show_v himself_o as_o encompass_v with_o a_o ring_n touch_v jupiter_n it_o be_v very_o marvellous_a that_o there_o be_v discover_v four_o little_a star_n that_o continual_o move_v circular_o about_o his_o body_n and_o which_o by_o that_o mean_v cast_v a_o shade_n upon_o his_o superficies_n these_o thing_n be_v undeniable_a testimony_n that_o all_o these_o planet_n have_v no_o other_o light_n but_o that_o which_o the_o sun_n communicate_v unto_o they_o 3._o this_o telescope_n do_v also_o inform_v we_o that_o each_o of_o these_o planet_n except_o the_o sun_n have_v spot_n in_o their_o superficies_n just_a as_o the_o moon_n have_v and_o of_o the_o same_o kind_n of_o blackness_n 4._o the_o same_o instrument_n have_v also_o inform_v we_o that_o each_o of_o these_o planet_n and_o the_o sun_n also_o together_o with_o the_o daily_a and_o natural_a motion_n do_v beside_o move_v themselves_o upon_o their_o centre_n some_o by_o the_o motion_n of_o revolution_n and_o other_o by_o that_o of_o libration_n sect_n iii_o discovery_n in_o the_o fix_a star_n touch_v the_o fix_a star_n it_o be_v marvellous_a that_o the_o same_o four_o thing_n which_o we_o have_v observe_v to_o be_v in_o the_o planet_n be_v also_o find_v to_o meet_v in_o they_o hereupon_o it_o be_v to_o be_v observe_v that_o from_o time_n to_o time_n by_o help_n of_o the_o same_o instrument_n there_o be_v discover_v new_a star_n in_o the_o firmament_n the_o which_o have_v appear_v a_o certain_a time_n do_v so_o decrease_v of_o their_o bigness_n that_o they_o can_v any_o long_o be_v discern_v and_o then_o afterward_o after_o the_o revolution_n of_o month_n year_n or_o age_n do_v appear_v again_o as_o if_o they_o be_v new_o come_v into_o be_v this_o wonder_n have_v give_v occasion_n unto_o astronomer_n and_o modern_a optist_n to_o conclude_v that_o it_o be_v the_o same_o with_o the_o star_n as_o with_o the_o psanet_n and_o that_o at_o least_o some_o of_o they_o have_v spot_n and_o blemish_n and_o that_o they_o also_o move_v as_o those_o do_v on_o their_o centre_n from_o whence_o it_o proceed_v that_o when_o their_o spect_n be_v turn_v towards_o the_o earth_n they_o do_v not_o appear_v unto_o we_o and_o when_o the_o spot_n be_v turn_v other_o way_n behind_o than_o they_o do_v appear_v by_o mean_n port_n a_o evident_a decision_n of_o the_o question_n unto_o this_o day_n controvert_v to_o wit_n whether_o these_o star_n shine_v of_o their_o own_o proper_a light_n or_o of_o the_o light_n borrow_v from_o the_o sunbeam_n and_o we_o must_v hold_v it_o in_o favour_n of_o the_o affirmative_a that_o they_o shine_v by_o virtue_n of_o the_o illumination_n of_o this_o great_a planet_n which_o be_v the_o point_n we_o have_v establish_v in_o the_o first_o part_n of_o our_o anticopernicus_n there_o be_v a_o great_a many_o observable_a and_o curious_a thing_n to_o be_v see_v in_o this_o first_o part._n as_o for_o the_o star_n which_o be_v permanent_a or_o do_v always_o shine_v it_o may_v probable_o be_v say_v that_o they_o always_o continue_v such_o because_o that_o by_o their_o move_n upon_o their_o centre_n they_o have_v little_a or_o no_o spot_n moreover_o this_o prospective_n discover_v unto_o we_o in_o the_o heaven_n a_o far_o great_a number_n of_o star_n than_o what_o we_o can_v discern_v with_o the_o naked_a eye_n it_o discover_v unto_o we_o in_o the_o pleyade_n in_o a_o circle_n of_o one_o degree_n of_o diameter_n which_o encompass_v they_o the_o number_n of_o 46_o star_n whereas_o we_o can_v perceive_v in_o that_o little_a company_n but_o six_o the_o seven_o have_v disappear_v a_o long_a time_n ago_o behold_v here_o also_o another_o great_a marvel_n in_o the_o fix_a star_n which_o be_v that_o when_o they_o be_v behold_v with_o the_o telescope_n the_o appeaso_n prodigious_o small_a that_o whereas_o tycho_n b._n tell_v we_o that_o those_o of_o the_o first_o magnitude_n appear_v unto_o the_o naked_a sight_n about_o two_o mient_n diameter_n they_o appear_v not_o unto_o we_o according_a unto_o galilco_n but_o five_o second_o of_o a_o diameter_n which_o be_v twenty_o four_o time_n less_o and_o whereas_o tycho_n b._n make_v these_o star_n to_o be_v 60_o or_o 70_o time_n big_a than_o the_o earth_n at_o this_o time_n on_o the_o contrary_a they_o be_v find_v to_o be_v 200_o time_n less_o than_o the_o earth_n whereupon_o kepler_n warn_v we_o that_o with_o the_o telescope_n the_o greatness_n of_o any_o fix_a star_n can_v be_v determine_v because_o by_o how_o much_o the_o better_a the_o glass_n be_v by_o so_o much_o the_o lesser_a the_o star_n appear_v it_o be_v a_o matter_n of_o surprise_n to_o hear_v that_o all_o the_o planet_n do_v appear_v great_a in_o the_o glass_n than_o they_o be_v especial_o the_o low_a and_o then_o again_o these_o fix_a star_n on_o the_o contrary_a with_o the_o same_o glass_n do_v appear_v small_a i_o adhere_v unto_o this_o opinion_n of_o the_o prodigious_a smallness_n of_o fix_a star_n nevertheless_o at_o present_a i_o judge_v that_o as_o to_o this_o matter_n there_o be_v some_o kind_n of_o fallacy_n in_o our_o sight_n hereafter_o we_o will_v make_v a_o far_a demonstration_n last_o the_o telescope_n have_v discover_v and_o decide_v the_o question_n which_o have_v be_v so_o long_o agitate_a among_o the_o ancient_a philosopher_n namely_o what_o the_o be_v which_o we_o call_v the_o milky_a way_n vulgar_o in_o french_a the_o way_n of_o st._n james_n for_o it_o have_v give_v we_o to_o understand_v that_o it_o be_v nothing_o but_o a_o infinite_a multitude_n of_o small_a star_n which_o by_o their_o nearness_n one_o to_o another_o make_v up_o all_o that_o white_a tract_n which_o we_o behold_v in_o the_o heaven_n sect_n iv_o of_o what_o have_v be_v observe_v in_o the_o sun_n by_o help_v of_o the_o abovesaid_a instrument_n there_o have_v be_v observe_v upon_o the_o convexity_n of_o the_o body_n of_o the_o sun_n black_a spot_n which_o be_v movable_a variable_a and_o subject_a to_o change_v and_o which_o do_v move_v regular_o towards_o the_o west_n finish_v their_o revolution_n in_o 26_o or_o 27_o day_n nevertheless_o hevelius_n here_o trace_n these_o way_n by_o bend_n sometime_o convex_a and_o sometime_o hollow_o the_o motion_n of_o these_o solar_a spot_n testify_v unto_o we_o that_o the_o body_n of_o the_o sun_n trun_v upon_o this_o centre_n with_o that_o motion_n these_o spot_n be_v not_o celestial_a body_n as_o j._n tarde_fw-la will_v make_v we_o believe_v but_o rather_o evaporation_n which_o rise_v from_o the_o body_n of_o the_o sun_n after_o the_o manner_n of_o vapour_n arise_v from_o the_o earth_n and_o form_v themselves_o into_o cloud_n which_o do_v appear_v inasmuch_o as_o these_o spot_n be_v always_o chageable_a in_o their_o form_n bulk_n and_o configuration_n sometime_o there_o appear_v a_o great_a number_n in_o the_o face_n of_o this_o star_n sometime_o but_o a_o few_o and_o sometime_o none_o at_o all_o some_o of_o these_o spot_n shine_v and_o become_v lightsome_a and_o other_o that_o shine_v become_v dark_a to_o this_o purpose_n malapert_a at_o arras_n do_v daily_o observe_v these_o spot_n from_o the_o year_n 1618._o unto_o the_o year_n 1627._o and_o never_o find_v they_o return_v unto_o the_o same_o configuration_n they_o have_v in_o all_o that_o time_n scheiner_n on_o the_o other_o hand_n observe_v they_o at_o rome_n at_o the_o same_o time_n and_o find_v they_o not_o otherwise_o than_o the_o former_a have_v do_v it_o be_v to_o be_v wish_v that_o some_o of_o these_o solar_a spot_n have_v remain_v fix_v in_o the_o body_n of_o the_o sun_n for_o that_o will_v have_v decide_v the_o great_a question_n to_o wit_n if_o it_o be_v the_o earth_n or_o the_o sun_n which_o be_v immovable_a in_o the_o centre_n of_o the_o universe_n the_o sun_n according_a to_o ea_fw-la kircher_n also_o wherefore_o at_o certain_a time_n it_o be_v that_o this_o star_n appear_v not_o in_o his_o wont_a brightness_n as_o it_o happen_v in_o the_o year_n 1547._o from_o the_o 24_o of_o august_n unto_o the_o 28_o that_o the_o sun_n appear_v red_a and_o not_o as_o bright_a as_o the_o moon_n in_o her_o total_a eclipse_n so_o that_o several_a star_n be_v visible_a at_o noonday_n it_o happen_v to_o be_v the_o same_o for_o a_o whole_a year_n together_o at_o the_o time_n when_o caesar_n be_v murder_v insomuch_o that_o it_o be_v so_o darken_v that_o it_o can_v scarce_o ripen_v the_o fruit_n of_o the_o earth_n virg._n geor._n
he_o of_o revolution_n or_o libration_n sect_n x._o of_o what_o have_v be_v observe_v in_o mercury_n touch_v mercury_n we_o have_v no_o observation_n can_v say_v that_o he_o have_v spot_n as_o the_o other_o aforesaid_a planet_n nor_o can_v we_o determine_v whether_o he_o turn_v or_o not_o on_o his_o centre_n or_o on_o some_o axe_n nevertheless_o it_o be_v probable_a to_o believe_v that_o it_o have_v all_o thing_n just_a as_o the_o other_o heavenly_a body_n moreover_o hevelius_fw-la in_o the_o year_n 1644._o observe_v that_o he_o change_v his_o face_n just_a as_o the_o moon_n and_o venus_n and_o that_o he_o appear_v sometime_o round_o sometime_o half_o round_a and_o sometime_o like_o a_o crescent_n the_o reason_n wherefore_o this_o planet_n be_v not_o discern_v like_o the_o other_o be_v because_o of_o his_o smallness_n and_o for_o its_o be_v common_o darken_v by_o the_o sun_n beam_n the_o 7_o of_o november_n 1631._o this_o mercury_n be_v see_v in_o the_o disque_n of_o the_o sun_n as_o it_o be_v to_o eclipse_v it_o and_o there_o appear_v like_o a_o spot_n of_o the_o eighti_v or_o nineti_v part_n of_o the_o diameter_n of_o this_o great_a star_n it_o have_v its_o centre_n very_o black_a and_o the_o extremity_n something_a red_a fig_n 6_o 1_o face_n of_o venus_n according_o ta_o mr._n cassini_n 2_o another_o face_n of_o venus_n according_a to_o massini_n 3_o another_o face_n of_o venus_n accor_v to_o mr._n cassini_n sect_n xi_o of_o new_a star_n which_o appear_v for_o a_o time_n and_o then_o idsappear_v at_o another_o time_n and_o first_o of_o the_o first_o which_o come_v to_o our_o knowledge_n and_o of_o the_o notable_a one_o which_o appear_v in_o the_o chair_n of_o cassiopea_n anno_fw-la 1572._o the_o first_o new_a star_n come_v unto_o our_o knowledge_n be_v that_o which_o appear_v in_o the_o time_n of_o hypparcus_n about_o 125_o year_n before_o the_o birth_n of_o our_o saviour_n jesus_n christ_n since_o which_o time_n some_o other_o have_v also_o be_v discover_v to_o wit_n one_o in_o the_o year_n 388._o whereof_o claudian_n make_v mention_v and_o one_o in_o the_o fifteen_o degree_n of_o scorpio_n speak_v of_o by_o albumazar_n haly_n the_o which_o continue_v four_o month_n since_o which_o time_n in_o the_o year_n 1571._o the_o nine_o of_o november_n there_o appear_v in_o the_o firmament_n in_o the_o chair_n of_o cassiopea_n that_o notable_a star_n of_o the_o first_o magnitude_n which_o in_o its_o course_n govern_v itself_o like_o the_o other_o star_n as_o hold_v place_n among_o they_o and_o have_v no_o paralax_n the_o astronomer_n of_o those_o time_n well_o observe_v it_o for_o instance_n tycho_n b._n it_o continue_v sixteen_o month_n after_o which_o time_n decrease_v very_o much_o it_o grow_v quite_o invisible_a upon_o the_o consideration_n of_o this_o star_n or_o comet_n be_v remarkable_a unto_o our_o purpose_n what_o the_o marquis_n of_o villenes_n have_v leave_v in_o write_v in_o his_o book_n upon_o the_o centiloqui_n of_o ptolemey_n to_o wit_n that_o there_o remain_v a_o black_a spot_n in_o the_o same_o place_n where_o this_o star_n appear_v which_o if_o so_o it_o will_v the_o more_o confirm_v what_o we_o have_v say_v that_o the_o star_n have_v spot_n just_a as_o the_o planet_n have_v the_o which_o make_v they_o disappear_v at_o such_o time_n as_o they_o turn_v from_o ward_n the_o earth_n nevertheless_o see_v the_o assertion_n of_o this_o marquis_n be_v not_o second_v by_o other_o author_n we_o will_v refer_v ourselves_o unto_o far_a experience_n it_o be_v doubtful_a if_o this_o same_o star_n will_v not_o come_v and_o appear_v again_o all_o we_o can_v conclude_v of_o this_o question_n be_v that_o if_o it_o be_v a_o real_a fix_a star_n it_o will_v not_o fail_v appear_v some_o other_o time_n but_o if_o it_o be_v only_o a_o cornet_n or_o that_o it_o be_v in_o the_o firmament_n itself_o or_o a_o little_a below_o it_o than_o it_o will_v never_o appear_v again_o fig._n 7._o the_o new_a star_n or_o comet_n in_o the_o constellation_n of_o cassiopea_n observe_v by_o tycho_n br_n sect_n xii_o of_o the_o star_n in_o the_o swan_n breast_n nine_o and_o twenty_o year_n after_o the_o apparition_n of_o the_o star_n in_o cassiopea_n viz._n in_o the_o year_n 1601._o there_o appear_v in_o the_o heaven_n a_o new_a star_n of_o the_o three_o magnitude_n in_o the_o swan_n breast_n which_o continue_v visible_a unto_o the_o year_n 1626._o and_o then_o total_o disappear_v kepler_n observe_v it_o very_o diligent_o after_o it_o have_v disappear_v and_o in_o the_o space_n of_o thirty_o three_o year_n to_o wit_n in_o the_o year_n 1659._o mr._n hevelius_n at_o dantzick_n observe_v it_o to_o appear_v again_o in_o the_o same_o place_n where_o kepler_n first_o see_v it_o and_o of_o the_o same_o magnitude_n but_o in_o the_o year_n 1660._o it_o seem_v plain_o to_o diminish_v and_o quite_o disappear_v soon_o after_o again_o in_o the_o year_n 1666._o mr._n hevelius_n see_v it_o reappear_a and_o it_o continue_v at_o present_a to_o be_v see_v but_o so_o small_a that_o it_o be_v but_o of_o the_o six_o or_o seven_o magnitude_n it_o be_v suppose_v that_o it_o be_v no_o less_o than_o fourteen_o year_n in_o finsh_fw-mi its_o revolution_n we_o have_v here_o represent_v in_o in_o tab._n 8._o of_o the_o star_n near_o the_o swan_n bill_n this_o star_n be_v first_o discover_v by_o dom._n adthelm_n chartreux_n of_o dijon_n to_o wit_n in_o the_o year_n 1671._o it_o appear_v unto_o he_o of_o the_o three_o magnitude_n it_o be_v not_o mention_v in_o any_o of_o the_o catalogue_n of_o star_n although_o a_o great_a many_o much_o more_o inconsiderable_a one_o be_v therein_o mention_v the_o same_o father_n and_o mr._n cassiny_n have_v observe_v it_o as_o well_o in_o its_o increase_n as_o in_o its_o decrease_n it_o have_v twice_o appear_v unto_o they_o in_o its_o great_a luster_n the_o first_o time_n the_o four_o of_o april_n and_o the_o second_o time_n the_o first_o of_o may_n it_o be_v about_o a_o month_n in_o its_o return_n to_o its_o first_o state_n sect_n xiii_o of_o the_o star_n in_o the_o whale_n neck_n this_o admirable_a star_n in_o the_o whale_n neck_n be_v of_o this_o sort_n also_o which_o appear_v sometime_o then_o hide_v themselves_o and_o then_o disappear_v again_o to_o appear_v at_o another_o time_n at_o first_o it_o appear_v to_o be_v but_o of_o the_o six_o magnitude_n than_o it_o increase_v by_o little_a and_o little_a for_o 120_o day_n together_o after_o which_o time_n it_o arrive_v at_o its_o full_a period_n and_o great_a brightness_n and_o eminency_n which_o be_v to_o be_v fig._n 9_o the_o new_a star_n in_o the_o whale_n neck_n discover_v by_o mr._n bovillau_n and_o cassini_n of_o the_o three_o magnitude_n wherein_o it_o continue_v fifteen_o day_n together_o than_o it_o decrease_v until_o it_o become_v invisible_a it_o do_v appear_v every_o year_n in_o this_o great_a brightness_n thirty_o two_o or_o thirty_o three_o day_n soon_o than_o the_o precedent_a year_n and_o complete_v its_o revolution_n in_o about_o three_o hundred_o and_o thirty_o three_o day_n mr._n bovilleau_n astronomer_n have_v very_o diligent_o observe_v it_o he_o think_v it_o move_v upon_o its_o own_o centre_n and_o axe_n and_o presuppose_v as_o we_o do_v that_o it_o be_v compose_v of_o two_o different_a part_n the_o great_a obscure_a and_o the_o less_o bright_a remain_v invisible_a when_o the_o obscure_a part_n be_v turn_v towards_o we_o and_o show_v itself_o when_o the_o bright_a part_n be_v towards_o we_o astronomer_n have_v judge_v that_o its_o motion_n be_v irregular_a and_o inscrutable_a nevertheless_o the_o say_a mr._n bovilleau_n have_v invent_v a_o very_a ingenuous_a hypothesis_n whereby_o he_o make_v its_o motion_n to_o be_v regular_a sect_n fourteen_o of_o the_o cloudy_a star_n of_o the_o girdle_n of_o andromeda_n father_n fabry_n and_o mr._n bovilleau_n abovesaid_a have_v take_v notice_n of_o this_o star_n it_o appear_v in_o the_o year_n 1612_o and_o 1613._o and_o then_o disappear_v until_o the_o year_n 1664._o that_o it_o appear_v again_o anew_o sect_n xv._o of_o the_o star_n betwixt_o eridanus_n and_o those_o of_o the_o hare_n mr._n cassiny_n have_v discover_v another_o new_a star_n situate_v betwixt_o eridanus_n and_o the_o hare_n the_o which_o also_o show_v itself_o and_o then_o withdraw_v itself_o as_o the_o other_o abovementioned_a and_o be_v in_o the_o passage_n whereby_o the_o comet_n in_o 1664._o go_v no_o body_n have_v speak_v of_o this_o star_n although_o it_o be_v one_o of_o the_o four_o magnitude_n fig._n 10._o the_o cloudy_a star_n new_o discover_v in_o the_o girdle_n of_o andromeda_n diserrd_v by_o father_n fabri_fw-la and_z mr._n bovillau_n another_o new_a star_n betwixt_o cridanus_fw-la and_o the_o hare_n discover_v by_o mr._n cassini_n sect_n xvi_o of_o other_o star_n of_o which_o it_o be_v very_o probable_a that_o they_o be_v new_a star_n
to_o draw_v the_o ray_n close_o by_o put_v a_o paper_n with_o a_o pin-hole_n in_o it_o betwixt_o our_o eye_n and_o the_o glass_n and_o the_o like_a with_o a_o little_a use_n will_v easy_o direct_v and_o teach_v we_o to_o contrive_v then_o for_o the_o star_n the_o best_a time_n to_o view_v any_o of_o they_o be_v in_o clear_a night_n when_o there_o be_v little_a or_o no_o moon_n a_o telescope_n of_o six_o or_o eight_o foot_n will_v for_o these_o and_o indeed_o for_o the_o moon_n or_o sun_n also_o do_v in_o a_o manner_n as_o well_o as_o one_o of_o twenty_o four_o or_o twenty_o five_o the_o disadvantage_n of_o cumbersomness_n in_o these_o large_a one_o be_v such_o as_o scarce_o countervail_v the_o advantage_n which_o they_o have_v the_o chief_a of_o which_o be_v that_o they_o take_v in_o a_o great_a part_n of_o the_o heaven_n than_o our_o lesser_a glass_n but_o all_o person_n must_v be_v advise_v how_o they_o venture_v to_o look_v on_o the_o sun_n with_o telescope_n for_o in_o due_a position_n the_o whole_a instrument_n be_v but_o as_o one_o violent_a burning-glass_n and_o a_o man_n may_v easy_o take_v such_o a_o look_n in_o a_o instant_n as_o never_o to_o see_v more_o with_o that_o eye_n therefore_o some_o use_n to_o smoke_v their_o glass_n over_o a_o candle_n but_o the_o best_a way_n be_v to_o have_v a_o small_a piece_n of_o red_a or_o purple_a glass_n to_o interpose_v betwixt_o your_o eye_n and_o the_o glass_n of_o the_o telescope_n and_o by_o this_o mean_v you_o may_v view_v that_o glorious_a body_n with_o little_a or_o no_o prejudice_n but_o as_o to_o these_o point_n those_o who_o sell_v these_o instrument_n will_v certain_o if_o desire_v show_v their_o customer_n the_o true_a and_o safe_a way_n to_o use_v they_o more_o plain_o than_o i_o can_v speak_v i_o will_v only_o here_o add_v that_o if_o we_o design_v a_o clear_a sight_n of_o the_o face_n or_o bigness_n of_o any_o of_o the_o heavenly_a body_n the_o worst_a time_n to_o view_v any_o of_o they_o be_v when_o they_o be_v not_o far_o from_o the_o horizon_n for_o then_o the_o refraction_n of_o the_o ray_n be_v so_o great_a that_o their_o body_n appear_v much_o large_a proportionable_o than_o at_o other_o time_n and_o in_o other_o position_n and_o the_o sight_n of_o they_o too_o be_v much_o more_o confuse_a by_o which_o one_o note_n any_o person_n may_v be_v able_a to_o direct_v himself_o what_o star_n be_v in_o a_o most_o convenient_a condition_n for_o he_o to_o view_v at_o any_o time_n when_o his_o curiosity_n lead_v he_o to_o such_o entertainment_n and_o true_o these_o be_v entertainment_n so_o noble_a and_o glorious_a as_o well_o as_o ravish_v and_o transport_v that_o it_o be_v to_o be_v wonder_v how_o person_n who_o part_n and_o fortune_n qualify_v they_o for_o they_o be_v able_a to_o temperate_a themselves_o from_o they_o but_o perhaps_o it_o will_v be_v say_v the_o uncertainty_n of_o the_o truth_n of_o they_o discourage_v of_o that_o therefore_o we_o will_v consider_v in_o the_o next_o place_n sect_n x._o what_o certainty_n there_o may_v be_v conclude_v in_o these_o curiosity_n and_o discovery_n to_o come_v to_o a_o perfect_a and_o exact_a knowledge_n of_o the_o distance_n of_o the_o heavenly_a body_n by_o mile_n or_o such_o know_a measure_n of_o their_o bigness_n substance_n frame_n and_o contexture_n be_v not_o to_o be_v expect_v nor_o will_v any_o except_o madman_n pretend_v to_o have_v make_v such_o discovery_n there_o be_v very_o few_o thing_n which_o wise_a man_n will_v say_v they_o thorough_o understand_v even_o among_o these_o sublunary_a body_n but_o there_o be_v as_o great_a a_o difference_n betwixt_o the_o knowledge_n which_o artist_n and_o speculative_a man_n have_v of_o the_o heaven_n star_n and_o orb_n and_o that_o which_o the_o common_a people_n have_v as_o there_o be_v betwixt_o the_o common_a peoples_n and_o brutus_n notice_n of_o they_o to_o come_v to_o particular_n the_o parallax_n of_o the_o moon_n be_v very_o sensible_o discoverable_a it_o be_v horizontal_a parallax_n be_v above_o a_o whole_a degree_n therefore_o the_o distance_n of_o the_o moon_n may_v be_v more_o certain_o conclude_v upon_o and_o more_o firm_o credit_v in_o the_o other_o star_n i_o confess_v the_o case_n be_v more_o difficult_a and_o the_o work_v fine_a so_o that_o the_o result_n exceed_v not_o probability_n for_o in_o mercury_n venus_n the_o sun_n and_o mars_n we_o can_v without_o great_a difficulty_n observe_v any_o parallax_n and_o that_o which_o we_o can_v at_o length_n observe_v be_v very_o small_a in_o jupiter_n and_o saturn_n there_o be_v scarce_o any_o and_o as_o to_o the_o fix_a star_n they_o be_v so_o vast_o above_o we_o that_o we_o be_v to_o expect_v none_o in_o they_o the_o reason_n hereof_o be_v that_o the_o semidiameter_n of_o the_o earth_n which_o be_v take_v in_o these_o case_n for_o the_o common_a measure_n and_o as_o the_o interstice_n between_o the_o two_o suppose_a dimensory_a station_n bear_v some_o sensible_a proportion_n to_o the_o distance_n of_o the_o moon_n but_o as_o to_o the_o distance_n of_o those_o other_o body_n its_o proportion_n be_v so_o very_o small_a as_o almost_o to_o vanish_v when_o apply_v thereto_o as_o if_o the_o earth_n be_v but_o in_o comparison_n of_o they_o as_o a_o point_n and_o there_o be_v no_o difference_n whether_o we_o behold_v they_o from_o the_o surface_n of_o the_o earth_n or_o from_o its_o centre_n by_o which_o ingenuous_a deal_n the_o reader_n will_v be_v able_a easy_o to_o gather_v what_o kind_n of_o belief_n he_o be_v to_o give_v to_o the_o forego_n calculation_n or_o account_n of_o the_o distance_n and_o magnitude_n of_o these_o body_n they_o be_v most_o but_o the_o conjecture_n of_o man_n very_o learned_a know_v and_o industrious_a in_o this_o kind_n and_o as_o to_o those_o discovery_n mention_v in_o the_o first_o part_n of_o this_o book_n it_o may_v perhaps_o be_v suspect_v they_o be_v also_o as_o uncertain_a because_o of_o the_o diversity_n of_o refraction_n and_o medium_n the_o vast_a distance_n and_o other_o like_o point_n but_o it_o be_v to_o be_v say_v hereto_o those_o object_n which_o constant_o through_o divers_a glass_n at_o divers_a time_n and_o by_o divers_a spectator_n observe_v still_o general_o or_o most_o common_o appear_v the_o same_o be_v certain_o as_o they_o appear_v saturn_n therefore_o most_o sure_o have_v such_o ansulae_fw-la of_o light_a as_o he_o be_v represent_v jupiter_n have_v such_o obscure_a tract_n as_o those_o term_v his_o belt_n or_o girdle_n mars_n such_o feature_n as_o i_o may_v call_v they_o as_o above_o describe_v the_o sun_n and_o moon_n such_o spot_n and_o venus_n her_o different_a phase_n sometime_o as_o a_o half_n quarter_n or_o full_a moon_n and_o there_o be_v none_o of_o these_o but_o be_v far_o a_o more_o glorious_a light_n than_o they_o can_v be_v conceive_v when_o see_v only_o in_o such_o figure_n as_o we_o have_v be_v able_a to_o represent_v they_o in_o the_o see_v they_o as_o near_o as_o we_o can_v by_o the_o help_n of_o our_o glass_n in_o themselves_o fill_v the_o fancy_n with_o delightful_a news_n idea_n and_o the_o understanding_n with_o new_a curious_a contemplation_n and_o prepare_v and_o raise_v the_o mind_n to_o most_o noble_a curious_a and_o divine_a speculation_n as_o well_o as_o wonder_n and_o content_a then_o as_o to_o those_o new_a star_n as_o i_o may_v call_v they_o that_o be_v such_o star_n as_o we_o can_v espy_v with_o our_o naked_a eye_n but_o do_v plain_o see_v and_o can_v count_v with_o the_o help_n of_o our_o glass_n such_o as_o be_v not_o only_o very_o many_o little_a one_o but_o one_o large_a of_o the_o seven_o star_n in_o the_o pleyade_n that_o infinite_a multitude_n in_o the_o gallaxy_n or_o milky_a way_n etc._n etc._n these_o be_v most_o certain_a thing_n and_o not_o mere_a appearance_n because_o if_o a_o hundred_o people_n look_v at_o they_o and_o have_v one_o hundred_o telescope_n they_o shall_v all_o see_v the_o same_o star_n and_o be_v able_a to_o count_v they_o and_o describe_v their_o position_n or_o the_o figure_n they_o make_v as_o they_o stand_v all_o along_o in_o the_o tract_n of_o the_o heaven_n these_o therefore_o can_v be_v no_o sparkling_n of_o light_n or_o false_a appearance_n in_o the_o glass_n but_o must_v be_v real_a and_o proper_a star_n some_o of_o they_o certain_o very_o vast_o above_o the_o other_o and_o have_v different_a centre_n of_o motion_n or_o different_a orb_n from_o the_o other_o most_o of_o these_o thing_n therefore_o can_v be_v doubt_v and_o de_fw-fr facto_fw-la it_o be_v not_o now_o doubt_v i_o think_v by_o any_o who_o have_v use_v telescope_n in_o view_v the_o heaven_n that_o in_o the_o firmament_n as_o it_o be_v usual_o call_v or_o sphere_n of_o fix_a star_n there_o be_v several_a star_n which_o have_v a_o peculiar_a motion_n of_o their_o own_o and_o be_v as_o it_o be_v sun_n too_o and_o illuminate_v other_o as_o our_o sun_n do_v the_o moon_n and_o other_o planet_n but_o the_o theory_n of_o these_o thing_n will_v lead_v we_o into_o height_n as_o far_o beyond_o our_o conception_n and_o comprehension_n as_o above_o our_o sight_n we_o will_v therefore_o here_o sit_v down_o a_o while_n and_o wonder_n and_o put_v a_o stop_n to_o our_o thought_n of_o the_o star_n soli_fw-la deo_fw-la gloria_fw-la