{"query": "Measurement - the astronomical instruments", "count": 20, "results": [{"id": "card_astro_measurement", "title": "Measurement - the astronomical instruments", "shelf": "codex", "surface": "secular", "snippet": "Telescopes and the parallax arithmetic turn the sky into data; the engine's astronomy verifier seals the orbital and distance arithmetic.", "authority_tier": "engine_derived", "source": "Narrow Highway — astro", "readable": false, "generated": false}, {"id": "card_theory_julian_day_number", "title": "Julian Day Number (continuous astronomical time)", "shelf": "theories", "surface": "secular", "snippet": "Julian Day Number (continuous astronomical time) — an engine domain that can touch it: calendar_time. Calibration: seals — a deterministic verifier can CONFIRM or BREAK checkable claims drawn from it,", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (lone-domain seeding)", "readable": false, "generated": false}, {"id": "card_theory_stellar_nucleosynthesis_the_hr_diagram", "title": "Stellar nucleosynthesis & the HR diagram", "shelf": "theories", "surface": "secular", "snippet": "Stellar nucleosynthesis & the HR diagram — an engine domain that can touch it: astronomy. Calibration: partial — specific relations verify; the theory as a whole is not a sealable computation. Where t", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "readable": false, "generated": false}, {"id": "card_theory_historical_chronology", "title": "Historical chronology (era reckoning, elapsed years)", "shelf": "theories", "surface": "secular", "snippet": "Historical chronology (era reckoning, elapsed years) — an engine domain that can touch it: history_chronology. Calibration: seals — elapsed-year arithmetic computes exactly. Placing events on one time", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "readable": false, "generated": false}, {"id": "card_theory_astronomical_dating", "title": "Astronomical dating (anchoring history to the sky)", "shelf": "theories", "surface": "secular", "snippet": "Astronomical dating (anchoring history to the sky) — an engine domain that can touch it: history_chronology. Calibration: partial — specific relations verify; the theory as a whole is not a sealable c", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (lone-domain seeding)", "readable": false, "generated": false}, {"id": "card_bridge_theory_julian_day_number__celestial_mechanics_ephemeris_prediction", "title": "Bridge: Julian Day Number (continuous astronomical time)  ↔  Celestial mechanics / ephemeris prediction", "shelf": "bridges", "surface": "secular", "snippet": "Julian Day Number (continuous astronomical time) and Celestial mechanics / ephemeris prediction are the same form in different domains. astronomical time is read from orbital motion — the same clock t", "authority_tier": "reference", "source": "The Bridges — cross-domain isomorphisms", "readable": false, "generated": false}, {"id": "card_bridge_theory_astronomical_dating__celestial_mechanics_ephemeris_prediction", "title": "Bridge: Astronomical dating (anchoring history to the sky)  ↔  Celestial mechanics / ephemeris prediction", "shelf": "bridges", "surface": "secular", "snippet": "Astronomical dating (anchoring history to the sky) and Celestial mechanics / ephemeris prediction are the same form in different domains. history is dated by running the ephemeris backward to a record", "authority_tier": "reference", "source": "The Bridges — cross-domain isomorphisms", "readable": false, "generated": false}, {"id": "card_src_etym_saros", "title": "saros", "shelf": "etymology", "surface": "secular", "snippet": "saros: etymology (Webster 1913) — n.: [NL., fr. Gr. (Astron) Defn: A Chaldean astronomical period or cycle, the length of which has been variously estimated from 3,600 years to 3,600 days, or a little", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}, {"id": "card_src_openstax_astronomy_2e_6_3_visible_light_detectors_and_instrume_558682b0", "title": "6.3 Visible-Light Detectors and Instruments — Astronomy 2e", "shelf": "astronomy", "surface": "secular", "snippet": "6.3\n\nVisible-Light Detectors and Instruments\n\nLearning Objectives\n\nBy the end of this section, you will be able to:\n\nDescribe the difference between photographic plates and charge-coupled devices\n\nDes", "authority_tier": "reference", "source": "OpenStax: Astronomy 2e (CC-BY 4.0)", "readable": false, "generated": false}, {"id": "card_src_openstax_astronomy_6_3_visible_light_detectors_and_instrume_558682b0", "title": "6.3 Visible-Light Detectors and Instruments — Astronomy", "shelf": "astronomy", "surface": "secular", "snippet": "6.3\n\nVisible-Light Detectors and Instruments\n\nLearning Objectives\n\nBy the end of this section, you will be able to:\n\nDescribe the difference between photographic plates and charge-coupled devices\n\nDes", "authority_tier": "reference", "source": "OpenStax: Astronomy (CC-BY 4.0)", "readable": false, "generated": false}, {"id": "card_src_etym_astronomical", "title": "astronomical", "shelf": "etymology", "surface": "secular", "snippet": "astronomical: etymology (Webster 1913) — a.: [L. astronomicus, Gr. astronomique.]. From Webster's Revised Unabridged Dictionary (1913), public domain.", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}, {"id": "card_src_fed_nasa_techdoc_19720024160", "title": "The scientific results from the Orbiting Astronomical Observatory (OAO-2)", "shelf": "science", "surface": "secular", "snippet": "The scientific results from the Orbiting Astronomical Observatory (OAO-2). A United States federal publication, public domain (17 USC 105). The full text (1,150,165 bytes) is held on the ark; waybill ", "authority_tier": "reference", "source": "NASA technical documents (PD, 17 USC 105)", "readable": true, "generated": false}, {"id": "card_src_fed_nasa_techdoc_19890004830", "title": "Infrared astronomical satellite (IRAS) catalogs and atlases. Volume 3: The point source catalog declination range 30 deg greater than delta greater than 0 deg", "shelf": "science", "surface": "secular", "snippet": "Infrared astronomical satellite (IRAS) catalogs and atlases. Volume 3: The point source catalog declination range 30 deg greater than delta greater than 0 deg. A United States federal publication, pub", "authority_tier": "reference", "source": "NASA technical documents (PD, 17 USC 105)", "readable": true, "generated": false}, {"id": "card_src_openstax_astronomy_2e_6_1_telescopes_7c547388", "title": "6.1 Telescopes — Astronomy 2e", "shelf": "astronomy", "surface": "secular", "snippet": "6.1\n\nTelescopes\n\nLearning Objectives\n\nBy the end of this section, you will be able to:\n\nDescribe the three basic components of a modern system for measuring astronomical sources\n\nDescribe the main fun", "authority_tier": "reference", "source": "OpenStax: Astronomy 2e (CC-BY 4.0)", "readable": false, "generated": false}, {"id": "card_src_openstax_astronomy_6_1_telescopes_7c547388", "title": "6.1 Telescopes — Astronomy", "shelf": "astronomy", "surface": "secular", "snippet": "6.1\n\nTelescopes\n\nLearning Objectives\n\nBy the end of this section, you will be able to:\n\nDescribe the three basic components of a modern system for measuring astronomical sources\n\nDescribe the main fun", "authority_tier": "reference", "source": "OpenStax: Astronomy (CC-BY 4.0)", "readable": false, "generated": false}, {"id": "card_src_word_stadium", "title": "stadium", "shelf": "dictionary", "surface": "secular", "snippet": "1. A Greek measure of length, being the chief one used for itinerary distances, also adopted by the Romans for nautical and astronomical measurements. It was equal to 600 Greek or 625 Roman feet, or 1", "authority_tier": "reference", "source": "webster-1913", "readable": false, "generated": false}, {"id": "card_src_word_chronometer", "title": "chronometer", "shelf": "dictionary", "surface": "secular", "snippet": "1. An instrument for measuring time; a timekeeper. 2. A portable timekeeper, with a heavy compensation balance, and usually beating half seconds; -- intended to keep time with great accuracy for use a", "authority_tier": "reference", "source": "webster-1913", "readable": false, "generated": false}, {"id": "card_src_etym_stadium", "title": "stadium", "shelf": "etymology", "surface": "secular", "snippet": "stadium: etymology (Webster 1913) — n.: [L., a stadium (in sense 1), from Gr. 1. A Greek measure of length, being the chief one used for itinerary distances, also adopted by the Romans for nautical an", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}, {"id": "card_src_word_reflecting", "title": "reflecting", "shelf": "dictionary", "surface": "secular", "snippet": "1. Throwing back light, heat, etc., as a mirror or other surface. 2. Given to reflection or serious consideration; reflective; contemplative; as, a reflecting mind. Reflecting circle, an astronomical ", "authority_tier": "reference", "source": "webster-1913", "readable": false, "generated": false}, {"id": "card_src_etym_analemma", "title": "analemma", "shelf": "etymology", "surface": "secular", "snippet": "analemma: etymology (Webster 1913) — n.: [L. analemma a sun dial on a pedestal, showing the latitude and meridian of a place, Gr. 1. (Chem.) Defn: An orthographic projection of the sphere on the plane", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}], "house": {"door": "FIND", "kind": "cards", "trail": "results", "seal": null, "next_step": {"do": "open the top card", "door": "FIND", "tool": "card_get", "params": {"id": "card_astro_measurement"}}, "ends": "a verdict or a card · the trail · a seal · one next step"}}