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A rainbow is an optical phenomenon caused by refraction, internal reflection and dispersion of light in water droplets resulting in a continuous spectrum of light appearing in the sky. The rainbow takes the form of a multicoloured circular arc.
History & Culture
Explore the main themes, entities and connections around Rainbow. Start with the topic map, then use the sections below for research and deeper semantic analysis.
Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.
High-confidence facts extracted from structured source data. Use them as anchors for further research.
Browse the full topic structure. Each item opens a new analysis centered on that subject.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
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Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
light rainbows water colours sun primary angle secondary red droplets seen arc different reflection sky also visible bow may reflected
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Rainbow | is a | optical phenomenon caused by refraction | 0.90 | text |
| Rainbow | is a | blurred version of the bow obtained from a point source | 0.90 | text |
| Rainbow | is a | circle | 0.90 | text |
| in an aeroplane | instance of | images of the entire arc and even secondary arcs can be created fairly easily from a series of overlapping frames.From above the Earth | 0.80 | text |
| it is sometimes possible to see a rainbow as a full circle | instance of | images of the entire arc and even secondary arcs can be created fairly easily from a series of overlapping frames.From above the Earth | 0.80 | text |
| Rainbow | related to Circumhorizontal and circumzenithal arcs | The | 0.60 | section |
| Rainbow | related to Circumhorizontal and circumzenithal arcs | This | 0.60 | section |
| Rainbow | related to Circumhorizontal and circumzenithal arcs | Both | 0.60 | section |
| Rainbow | related to Circumhorizontal and circumzenithal arcs | Sun | 0.60 | section |
| Rainbow | related to Circumhorizontal and circumzenithal arcs | Moon | 0.60 | section |
| Rainbow | related to Double rainbows | The | 0.60 | section |
| Rainbow | related to Double rainbows | In | 0.60 | section |
These clusters group vocabulary that occurs around closely connected concepts in the source material.
Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.