{"query": "Kepler's law, and the pull between Earth and Moon", "count": 13, "results": [{"id": "card_works_astronomy", "title": "Kepler's law, and the pull between Earth and Moon", "shelf": "the-works", "surface": "secular", "snippet": "Kepler's third law binds a planet's period to its orbit (T² = a³); Newton's gravity gives the force holding the Moon — about 2 × 10²⁰ newtons.  Worked & sealed by the engine — T² = a³ for Earth (1 yr,", "authority_tier": "verified", "source": "The Works — worked & sealed", "generated": false}, {"id": "card_theory_heliocentrism_kepler_s_laws", "title": "Heliocentrism & Kepler's laws", "shelf": "theories", "surface": "secular", "snippet": "Heliocentrism & Kepler's laws — an engine domain that can touch it: astronomy. Calibration: seals — a deterministic verifier can CONFIRM or BREAK checkable claims drawn from it. Three laws, from Tycho", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "generated": false}, {"id": "card_theory_newton_s_law_of_universal_gravitation", "title": "Newton's law of universal gravitation", "shelf": "theories", "surface": "secular", "snippet": "Newton's law of universal gravitation — an engine domain that can touch it: physics. Calibration: seals. F = G·m₁m₂/r². Every mass attracts every other, with a force falling as the SQUARE of the dista", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "generated": false}, {"id": "card_src_word_kepler_s_law", "title": "kepler's law", "shelf": "dictionary", "surface": "secular", "snippet": "kepler's law: (noun) (astronomy) one of three empirical laws of planetary motion stated by Johannes Kepler — syn: Kepler's law of planetary motion", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_kepler_s_law_of_planetary_motion", "title": "kepler's law of planetary motion", "shelf": "dictionary", "surface": "secular", "snippet": "kepler's law of planetary motion: (noun) (astronomy) one of three empirical laws of planetary motion stated by Johannes Kepler — syn: Kepler's law", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_kepler_s_second_law", "title": "kepler's second law", "shelf": "dictionary", "surface": "secular", "snippet": "kepler's second law: (noun) a law concerning the speed at which planets travel — syn: law of areas, law of equal areas", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_kepler_s_third_law", "title": "kepler's third law", "shelf": "dictionary", "surface": "secular", "snippet": "kepler's third law: (noun) a law stating that the ratio of the square of the revolutionary period (in years) to the cube of the orbital axis (in astronomical units) is the same for all planets — syn: ", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_kepler_s_first_law", "title": "kepler's first law", "shelf": "dictionary", "surface": "secular", "snippet": "kepler's first law: (noun) a law stating that the orbit of each planet is an ellipse with the sun at one focus of the ellipse", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_law_of_areas", "title": "law of areas", "shelf": "dictionary", "surface": "secular", "snippet": "law of areas: (noun) a law concerning the speed at which planets travel — syn: Kepler's second law, law of equal areas", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_law_of_equal_areas", "title": "law of equal areas", "shelf": "dictionary", "surface": "secular", "snippet": "law of equal areas: (noun) a law concerning the speed at which planets travel — syn: Kepler's second law, law of areas", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_harmonic_law", "title": "harmonic law", "shelf": "dictionary", "surface": "secular", "snippet": "harmonic law: (noun) a law stating that the ratio of the square of the revolutionary period (in years) to the cube of the orbital axis (in astronomical units) is the same for all planets — syn: Kepler", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_brahe", "title": "brahe", "shelf": "dictionary", "surface": "secular", "snippet": "brahe: (noun) Danish astronomer whose observations of the planets provided the basis for Kepler's laws of planetary motion (1546-1601) — syn: Tycho Brahe", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_tycho_brahe", "title": "tycho brahe", "shelf": "dictionary", "surface": "secular", "snippet": "tycho brahe: (noun) Danish astronomer whose observations of the planets provided the basis for Kepler's laws of planetary motion (1546-1601) — syn: Brahe", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}]}