Dark matter
In astronomy and cosmology, dark matter is an invisible and hypothetical form of matter that does not interact with electromagnetic radiation, including light.
At a glance
Key signals
89% cross fields · reaches 3 more
- Astronomy
- Explanation
- Examples
- Misconception
- Sourced relations
- Attribution
Dependencies
What this concept builds on and what it makes possible — derived from the atlas’s dependency, causal and structural relations, not from every related edge.
Enables · leads to
Cosmic webemerges fromDark matterEstablished
The web is scaffolded by dark matter.
Mechanism: Dark-matter gravity pulls gas and galaxies into the filaments and voids of the cosmic web.
Structure formationdepends onDark matterEstablished
Dark matter seeds structure.
Mechanism: Dark matter's gravity amplifies tiny fluctuations into galaxies and the cosmic web.
System context
Dark matteris part ofUniverseEstablished
dark matter is part of universe.
Mechanism: Dark matter is unseen mass that makes up most of the matter in the universe; we detect it only through the extra gravity it exerts on stars and galaxies.
- Wikidata verifiedmoderate evidence
Dark matter halois part ofDark matterEstablished
A galaxy sits in a dark halo.
Mechanism: Each galaxy is embedded in an extended dark matter halo that dominates its gravity.
Structural role & consequence
Interpreted from the current atlas graph — what the connections mean, not just how many there are.
Removing this node severs the only sampled structural route between Axion and Cosmic web — a non-redundant bridge here.
structural · Structural removal simulation — not a historical or causal counterfactual.
89% of its relationships cross field boundaries, reaching 3 other disciplines — unusual in a discipline where most concepts stay within their field.
structural · Structural graph analysis — not a claim of importance, causation or history.
Currently dark in the atlas: no key date stored · 9 of 9 of its relations lack claim-level evidence.
atlas representation · Describes the current Thinking OS representation, not the state of the world.
Structural neighbourhood: 9 → 21 → 55 concepts reachable within 3 hops.
structural · Structural reach — being reachable is not the same as being understood.
cross-field
1 within-field, 8 cross-field
Strengths & constraints
Strengths
- Cross-disciplinary connector — 89% of its relationships cross field boundaries. structural
Constraints
- Evidence coverage currently thin in the atlas — few of its relationships carry claim-level evidence. atlas representation
- Non-redundant bridge — removing it severs a sampled route between neighbouring clusters. structural
- No dated history stored — the atlas records no key date for this concept. atlas representation
Conditions
- Read structurally — most of its relationships carry no external evidence yet, so claims here are graph-derived. structural
Dependency radial
What this concept builds on (left) and what it makes possible (right) — derived from dependency and causal relations.
What builds on this
1 concept build on this directly, 1 in total, across 1 discipline.
Structural downstream reach along dependency edges — not a claim of historical necessity.
Seen through each discipline
How this concept sits in each of its fields — derived from its real connections in the graph, not asserted.
Related ideas to explore
Concepts that look related but are not yet connected here — candidates for a connection to reason about, not established links.
This idea also appears in…
The same structure shows up in other disciplines. These are real recurrences drawn from the graph — a starting point for asking “what carries over, and what changes?”
Scale32 disciplines · 41 concepts
Concepts
shares a mental model
shares a mental model
shares a mental model
explicitly analogous · crosses a discipline boundary
shares a mental model
shares a mental model
Mental models at work here
- Connects 9 other ideas across 1 discipline.
- A cross-disciplinary bridge — its connections reach into 3 other fields.
- Most of its connections are of the “Kind & structure” kind.
- It exercises 1 reusable thinking pattern.
Derived from the graph’s real structure — observations, not a score.
Sources
- Wikipedia (English & German editions) verifiedmoderate evidence
- Wikidata verifiedmoderate evidence