Phenomena observable from Earth, visually manifesting as luminescence within the environment, embody a variety of optical results. These occurrences will be generated by pure processes, equivalent to electromagnetic radiation interacting with atmospheric gases, or by synthetic sources. Examples embody auroras, meteor showers, and nocturnal illumination from human settlements.
The examine and statement of those occurrences present precious insights into atmospheric situations, house climate, and even the impression of human exercise on the atmosphere. Traditionally, these visible shows have held cultural and religious significance, typically interpreted as omens or manifestations of the divine. Fashionable scientific investigation permits for a extra exact understanding of the physics and chemistry behind these celestial shows.