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  2. Phenomenon - Wikipedia

    en.wikipedia.org/wiki/Phenomenon

    A phenomenon (pl.: phenomena), sometimes spelled phaenomenon, is an observable event. [1] The term came into its modern philosophical usage through Immanuel Kant , who contrasted it with the noumenon , which cannot be directly observed.

  3. List of natural phenomena - Wikipedia

    en.wikipedia.org/wiki/List_of_natural_phenomena

    An aurora is a natural phenomenon. A natural phenomenon is an observable event which is not man-made. Examples include: sunrise , weather , fog , thunder , tornadoes ; biological processes , decomposition , germination ; physical processes , wave propagation , erosion ; tidal flow , and natural disasters such as electromagnetic pulses ...

  4. List of severe weather phenomena - Wikipedia

    en.wikipedia.org/wiki/List_of_severe_weather...

    Severe weather phenomena are weather conditions that are hazardous to human life and property. Part of a series on: Weather; Temperate and polar seasons. Winter; Spring;

  5. Frequency illusion - Wikipedia

    en.wikipedia.org/wiki/Frequency_illusion

    The frequency illusion (also known as the Baader–Meinhof phenomenon), is a cognitive bias in which a person notices a specific concept, word, or product more frequently after recently becoming aware of it. The name "Baader–Meinhof phenomenon" was coined in 1994 by Terry Mullen in a letter to the St. Paul Pioneer Press. [1]

  6. Noumenon - Wikipedia

    en.wikipedia.org/wiki/Noumenon

    The term noumenon is generally used in contrast with, or in relation to, the term phenomenon, which refers to any object of the senses. Immanuel Kant first developed the notion of the noumenon as part of his transcendental idealism , suggesting that while we know the noumenal world to exist because human sensibility is merely receptive, it is ...

  7. Glossary of astronomy - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_astronomy

    This glossary of astronomy is a list of definitions of terms and concepts relevant to astronomy and cosmology, their sub-disciplines, and related fields.Astronomy is concerned with the study of celestial objects and phenomena that originate outside the atmosphere of Earth.

  8. Social phenomenon - Wikipedia

    en.wikipedia.org/wiki/Social_phenomenon

    Social phenomena or social phenomenon (singular) are any behaviours, actions, or events that takes place because of social influence, including from contemporary as well as historical societal influences. [1] [2] They are often a result of multifaceted processes that add ever increasing dimensions as they operate through individual nodes of ...

  9. Phosphene - Wikipedia

    en.wikipedia.org/wiki/Phosphene

    A phosphene is the phenomenon of seeing light without light entering the eye. The word phosphene comes from the Greek words phos (light) and phainein (to show). Phosphenes that are induced by movement or sound may be associated with optic neuritis. [1] [2]