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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.
2,599 results for "Hypatia 415 CE" — page 67 of 130
ZH_4_03 — Star Myths and Constellation Stories Across Cultures
Every human culture that has observed the night sky has organized the visible stars into patterns — constellations, asterisms, and star groups — and woven them into narrative frameworks that encode cosmological beliefs,
ZH_4_06 — Comets and Meteors in Cultural History: Omens to Science
Throughout human history, comets — with their dramatic, unpredictable appearances and luminous tails stretching across the sky — have been among the most powerful celestial omens, inspiring fear, wonder, and interpretive
ZH_4_09 — Astronomical Petroglyphs and Rock Art
Humans have carved, painted, and pecked celestial imagery into rock surfaces for at least 10,000 years — and possibly far longer. Astronomical petroglyphs and pictographs are found on every inhabited continent: images of
ZH_0_00 — Archaeoastronomy & Celestial Knowledge: Section Summary
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_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_05 — Nazca Lines: Astronomical and Ecological Hypotheses
The Nazca Lines are a vast complex of geoglyphs — ground drawings created by removing the dark, iron-oxide-coated desert pavement to reveal the lighter ground beneath — spread across the arid Pampa de Nazca and surroundi
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_18 — Polynesian Star Navigation and Wayfinding
Polynesian star navigation is the non-instrument celestial wayfinding system that enabled the colonization of the Polynesian Triangle — the vast oceanic region bounded by Hawaiʻi, Rapa Nui (Easter Island), and Aotearoa (
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_09 — Solar Geometry in Pueblo Architecture: Mesa Verde, Hovenweep
The Ancestral Puebloan peoples (formerly termed "Anasazi") of the American Southwest incorporated sophisticated solar geometry into their architecture, settlement planning, and ceremonial life across a vast region center
ZH_3_14 — Nighttime Navigation Without Instruments: Stars, Moon, and Memory
For most of human history, navigators crossing deserts, oceans, and arctic wastes found their way using the stars, the Moon, the Sun's position, and memory — without magnetic compasses, chronometers, or sextants. Non-ins
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_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_25 — Polynesian Star Navigation and Pacific Migration
Polynesian wayfinding — the ability to navigate thousands of kilometers of open ocean without instruments — represents one of humanity's supreme intellectual achievements. Between c. 3,000 BCE and 1250 CE, Austronesian-s
ZH_5_07 — Light and Shadow Hierophanies: Temple Sun Daggers and Solar Inserts
A hierophany — a manifestation of the sacred — is realized in some of the world's most famous ancient structures through the precise interplay of light and shadow. On specific calendar dates — typically solstices, equino
ZH_2_11 — Southeast Asian Astronomy: Thai, Burmese, Khmer, and Indonesian Traditions
The astronomical traditions of Southeast Asia — Thailand (Siam), Myanmar (Burma), Cambodia (Khmer), Java, Bali, and the wider Malay-Indonesian archipelago — represent a distinctive synthesis of Indian, indigenous, and (i
ZH_2_02 — Indian Astronomical Traditions: Aryabhata to Jantar Mantar
Indian astronomy (Jyotish Shastra) constitutes one of the most mathematically sophisticated astronomical traditions of the pre-modern world, spanning from the Vedic period (c. 1500–500 BCE) through the classical siddhānt
ZH_2_18 — Angkor Wat Astronomical Alignments
Angkor Wat — the vast Hindu-Buddhist temple complex in Siem Reap, Cambodia, built by King Suryavarman II between approximately 1113 and 1150 CE — is not only the largest religious monument on Earth (covering 162.6 hectar
ZH_2_08 — Astronomical Dating of Ancient Texts and Events
Astronomical dating — the use of recorded or described celestial events (eclipses, planetary conjunctions, solstice positions, heliacal risings, and precessional indicators) to fix the absolute dates of ancient texts and
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