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Search 3,721 documents across 34 fields — every claim tier-rated by evidence
3,633 are the core, quality-scored corpus (34 lettered sections — see How We Work); the remaining 88 are cross-corpus synthesis documents (68 InterDocs, 12 Connections, 8 Theories) also indexed here.
235 results for "mathematical astronomy" — page 1 of 12
ZH_1_03 — Babylonian MUL.APIN and Mathematical Astronomy
Babylonian astronomy represents the first mathematical science in human history — the first tradition to develop quantitative, predictive models of celestial phenomena based on systematic observation and arithmetic calcu
V_1_07 — Mathematical Astronomy: Ptolemy to Kepler
Mathematical astronomy — the use of mathematical models to predict celestial phenomena — is one of the oldest and most successful applications of mathematics. Babylonian astronomers (c. 1800–100 BCE) developed sophistica
E_4_04 — Mathematical Encoding in Mythology
Certain numbers appear with suspicious regularity across ancient mythologies worldwide: 72 (Egyptian conspirators against Osiris, degrees of precessional shift per degree), 108 (Hindu/Buddhist sacred number, suitors of P
ZH_2_03 — Islamic Golden Age Astronomy: Observatories and Star Catalogs
Islamic astronomy (c. 750–1500 CE) represents one of the most productive and sophisticated periods in the history of astronomical science — a sustained tradition of observation, mathematical innovation, and critical enga
ZH_4_04 — Dogon Astronomy: Sirius B Debate and Modern Assessment
The Dogon are a West African people living on the Bandiagara Escarpment in Mali, known for a complex cosmological system documented by the French anthropologist Marcel Griaule in a series of publications beginning in 194
ZH_3_06 — Andean Dark Constellations and Milky Way Astronomy
Andean astronomical traditions, particularly as documented in Quechua-speaking communities of Peru and Bolivia and inferred from colonial-era Spanish accounts of Inca cosmology, are distinguished by a feature unique in w
ZH_3_19 — Inca Astronomy and Ceque System
Inca astronomy represents one of the most sophisticated indigenous astronomical traditions of the Americas, deeply embedded in the spatial, ritual, and agricultural organization of the Tawantinsuyu (Inca Empire, ~1438–15
ZH_3_04 — Chaco Canyon: Solar Markers and Pueblo Astronomy
Chaco Canyon (northwestern New Mexico) was the center of Ancestral Puebloan (formerly called Anasazi) civilization from approximately 850–1150 CE, featuring monumental Great Houses containing hundreds of rooms, extensive
ZH_3_11 — Arctic and Subarctic Astronomy: Inuit, Sámi, Siberian
The astronomy of Arctic and subarctic peoples — including the Inuit (across Canada, Alaska, and Greenland), Sámi (Fennoscandia), and Siberian cultures (Chukchi, Evenki, Yakut, and others) — represents adaptation to one o
ZH_3_08 — Archaeoastronomy of Mesoamerica: Teotihuacan, Monte Albán
Mesoamerican archaeoastronomy encompasses the astronomical knowledge and celestial alignments embedded in the architecture, urban planning, calendrical systems, and ritual practices of civilizations from central Mexico t
ZH_3_12 — South American Archaeoastronomy Beyond the Inca
While the Inca astronomical tradition (the ceque system, the Intihuatana, and the dark-cloud constellations of the Milky Way) is the most thoroughly studied in South America, numerous pre-Inca and non-Inca civilizations
ZH_3_22 — Medicine Wheel Astronomy
Medicine wheels are large stone structures found across the northern Great Plains and Rocky Mountain front ranges of North America, from Wyoming and Montana to Saskatchewan and Alberta, consisting of central cairns with
ZH_3_15 — Norse Astronomy: Sunstones, Aurvandil's Toe, and Viking Celestial Navigation
The Norse/Viking world (c. 800–1100 CE) developed a distinctive astronomical culture shaped by extreme northern latitudes — long summer days with no true darkness, short winter days with extended night, the aurora boreal
ZH_3_03 — Aboriginal Australian Astronomy: Seasonal Star Knowledge
Australian Aboriginal peoples developed one of the oldest continuous astronomical traditions on Earth — an integrated system of sky knowledge extending back at least 50,000 years of habitation on the Australian continent
ZH_3_13 — Women in Astronomy: Hypatia, Caroline Herschel, Henrietta Leavitt
Women have contributed to astronomy from antiquity to the present — often against formidable institutional barriers, many of which persisted well into the 20th century. Hypatia of Alexandria (~355–415 CE) was a renowned
ZH_5_24 — Zoroastrian Astral Cosmology and Fire-Temple Astronomy
Zoroastrianism — one of the world's oldest continuously practiced religions, founded by Zarathustra (dates debated: c. 1500–600 BCE) in Greater Iran — embedded astronomical observation deeply into its cosmology, calendar
ZH_5_12 — Citizen Astronomy: Variable Star Observers to Exoplanet Hunters
Astronomy is one of the very few sciences where non-professional observers — amateurs, hobbyists, and citizen scientists — continue to make significant, publishable contributions to research alongside professionals. This
ZH_5_06 — Horizon Astronomy: Skyline Observations, Foresights, and Horizonal Calendars
Horizon astronomy — the practice of observing where celestial bodies rise and set along the natural skyline — is the most ancient, most widespread, and most practical form of astronomical observation. Unlike meridian tra
ZH_5_23 — Ancestral Puebloan Archaeoastronomy: Celestial Alignments in the American Southwest
The Ancestral Puebloan civilization (c. 100–1300 CE) of the American Southwest developed one of the most sophisticated archaeoastronomical traditions outside the Old World. Chaco Canyon (New Mexico), the cultural center
ZH_5_03 — Modern Archaeoastronomy: GIS, LiDAR, and Digital Methods
Modern archaeoastronomy has been transformed by the adoption of Geographic Information Systems (GIS), Light Detection and Ranging (LiDAR), digital elevation models (DEM), planetarium software (Stellarium, TheSkyX), photo
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