RESEARCH BASE

Search 3,721 documents across 34 fields — every claim tier-rated by evidence

3,721 Documents 34 Sections 43,625 Citations 34,852 Keywords Indexed 4 Evidence Tiers

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.

325 results for "21 cm cosmology" — page 1 of 17

Q_3_11 Verified Cosmology & Physics

Q_3_11 — Cosmic Reionization and First Stars

The Epoch of Reionization (EoR) refers to the period in cosmic history (~150 million to ~1 billion years after the Big Bang, redshifts z ≈ 15–6) when the first luminous sources — Population III (Pop III) stars, early gal

reionization epoch of reionization EoR first stars Population III Pop III
Q_2_13 Verified Cosmology & Physics

Q_2_13 — Interstellar Medium, Dust, and Nebulae

The space between stars is far from empty — the interstellar medium (ISM) is a complex, dynamic ecosystem of gas, dust, magnetic fields, and cosmic rays that pervades galaxies and plays a central role in stellar birth, d

interstellar medium ISM interstellar dust nebula emission nebula planetary nebula
A_2_12 Verified Foundations

A_2_12 — Pistis Sophia: Gnostic Cosmology of Light and Redemption

The Pistis Sophia ("Faith Wisdom") is a major Gnostic text preserved in the Askew Codex (British Library, Add. MS 5114), a 4th–5th century CE Coptic manuscript containing four books of post-resurrection teachings attribu

Pistis Sophia Gnostic Coptic aeons archons light
A_4_05 Verified Foundations

A_4_05 — Rig Veda and Vedic Cosmology

The Rig Veda (Sanskrit: ṛgveda, "Praise-Knowledge") is the oldest surviving religious text of the Indo-European world — composed in archaic Sanskrit between approximately 1500–1200 BCE (with some hymns possibly older). I

Rig Veda Vedic hymns Indra Agni Soma
A_4_30 Credible Foundations

A_4_30 — Southeast Asian Cosmology: Thai, Khmer, Javanese, and Austronesian Creation Narratives

Southeast Asian cosmologies constitute a complex layering of indigenous Austronesian beliefs with Indic (Hindu-Buddhist), Chinese, and Islamic religious frameworks adopted and transformed over two millennia. Pre-Indianiz

southeast-asian-cosmology khmer-cosmology javanese-cosmology thai-cosmology austronesian-mythology mount-meru
A_4_06 Verified Foundations

A_4_06 — Quranic Cosmology, Jinn, and Islamic Angelology

The Quran — Islam's primary sacred text (610–632 CE) — presents a rich cosmological framework that includes seven heavens and seven earths, a Throne of God (al-Arsh) upon the cosmic waters, a fully populated invisible re

Quran jinn Islamic angelology seven heavens Isra Mi'raj night journey
A_4_33 Credible Foundations

A_4_33 — Inuit Cosmology & Sedna Mythology

Inuit cosmology is the spiritual and philosophical tradition of the Inuit peoples — the indigenous inhabitants of the Arctic and Subarctic regions of North America, from Alaska through Arctic Canada (Nunavut, Nunavik, Nu

Inuit Sedna Nuliajuk Nerrivik Arctic sea goddess
W_3_01 Verified World Civilizations

W_3_01 — Bantu Cosmology, Migration, and Iron Traditions

The Bantu expansion (~3000 BCE–500 CE) is one of the largest and most consequential human migrations in history: speakers of proto-Bantu languages from the Nigeria-Cameroon borderland spread across most of sub-Saharan Af

Bantu Bantu expansion Bantu migration Niger-Congo proto-Bantu iron smelting
W_2_05 Verified World Civilizations

W_2_05 — Jain Cosmology and Non-Violence Philosophy

Jainism is one of the world's oldest living religions, with roots extending to at least the 9th century BCE and traditional claims reaching far deeper into prehistory. Its cosmological system describes a vast, uncreated,

Jain Jainism cosmology ahimsa non-violence Tirthankaras
C_4_18 Verified Global Traditions

C_4_18 — Aboriginal Australian Dreamtime Cosmology

Aboriginal Australian Dreamtime (Tjukurpa in Western Desert languages, Jukurrpa in Warlpiri, The Dreaming in English translation) constitutes one of the world's oldest continuously practiced cosmological systems, with cu

Dreamtime Tjukurpa songlines Aboriginal-cosmology Dreaming kinship-totemism
C_5_22 Verified Global Traditions

C_5_22 — Calendar Cosmology: How Ancient Civilizations Encoded the Universe in Time

Calendar cosmology — the encoding of cosmological beliefs, mythological narratives, and astronomical observations into calendrical systems — is a universal feature of complex civilizations. Every major culture developed

calendar cosmology Maya Long Count Egyptian calendar Metonic cycle Hindu Yuga
C_3_04 Verified Global Traditions

C_3_04 — Seven-Level Cosmology / Seven Gates

The number seven appears as a cosmic organizing principle across virtually every ancient tradition on Earth. Sumerian texts describe seven gates in the underworld through which Inanna descends, stripping away one divine

seven levels seven gates Inanna descent seven heavens seven hells seven chakras
Q_1_16 Verified Cosmology & Physics

Q_1_16 — History of Cosmology: Ancient to Modern

Cosmology — the study of the universe's origin, structure, and fate — is humanity's oldest intellectual pursuit and its most modern science. From the flat-earth mythologies of ancient Mesopotamia through the geocentric c

history of cosmology ancient cosmology geocentric model heliocentric model Ptolemy Copernicus
Q_1_07 Verified Cosmology & Physics

Q_1_07 — CMB Anomalies and the Axis of Evil

The Cosmic Microwave Background (CMB) — the afterglow of the Big Bang, emitted ~380,000 years after the universe began — is the most precisely measured radiation in the history of science. It matches the theoretical pred

CMB cosmic microwave background WMAP Planck anisotropy anomaly
Q_1_12 Speculative Cosmology & Physics

Q_1_12 — Conformal Cyclic Cosmology: Penrose's Vision of Eternal Recurrence

Conformal Cyclic Cosmology (CCC), proposed by Roger Penrose in 2005, envisions the universe as an infinite sequence of "aeons" — each beginning with a Big Bang-like event and ending in an infinitely expanded, cold state

conformal cyclic cosmology CCC Roger Penrose aeons conformal geometry conformal boundary
Q_1_20 Verified Cosmology & Physics

Q_1_20 — Fractal Cosmology: Is the Universe Self-Similar Across Scales?

The observable universe organises matter into a staggering fractal-like web of galaxy filaments, walls, voids, and clusters — structures visible at scales from 1 Mpc (galaxy groups) to 600 Mpc (the Hercules-Corona Boreal

fractal cosmology cosmic web large-scale structure fractal dimension self-similarity galactic clustering
Q_3_07 Verified Cosmology & Physics

Q_3_07 — Plasma Cosmology and the Electric Universe Hypothesis

Plasma cosmology and its populist extension, the Electric Universe (EU) hypothesis, propose that electromagnetic forces — rather than gravity — are the dominant organizing force in the cosmos, and that plasma (ionized ga

plasma cosmology electric universe EU plasma Alfvén Birkeland
P_3_07 Verified Philosophy & Meaning

P_3_07 — Aristotle — Natural Philosophy, Cosmology, and Legacy

Aristotle (384–322 BCE) was a Greek philosopher and polymath whose works constitute the single most influential body of thought in the history of Western and Islamic intellectual tradition. A student of Plato for twenty

Aristotle Lyceum natural philosophy four causes unmoved mover Prime Mover
A_2_15 Verified Foundations

A_2_15 — Sefer Yetzirah: Book of Formation and Jewish Mystical Cosmology

The Sefer Yetzirah (Sēfer Yĕṣîrāh, "Book of Formation" or "Book of Creation") is the earliest extant work of Jewish mystical-cosmological speculation, a compact and cryptic treatise — only 1,300–2,500 words depending on

Sefer Yetzirah Book of Formation Book of Creation Hebrew letters sefirot 32 paths
X_1_20 Credible Medicine & Healing

X_1_20 — Comparative Traditional Medicine: TCM, Ayurveda, Unani & Kampo

The world's major traditional medicine systems — Traditional Chinese Medicine (TCM), Ayurveda (India), Unani (Greco-Arabic), and Kampo (Japan) — represent independent but structurally parallel attempts to systematize hea

traditional-medicine tcm ayurveda unani kampo comparative-medicine