Seasons and sky
Inferior Mirage
Direct answer
Inferior Mirage: An Inferior Mirage is a displaced or inverted image formed when light bends upward through a steep temperature gradient above a hot surface.
An Inferior Mirage is the apparent image below an object over strongly heated ground or water.
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At a glance
- Found in
- Seasons & Earth Almanac
- Related
- Astronomical Dusk, Horizon Refraction, Astronomical Season, Equinox
An Inferior Mirage is the apparent image below an object over strongly heated ground or water.
A Sun-Earth orientation for seasonal, atmospheric, tidal, and terrestrial terms.
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The story behind Inferior Mirage
Geometric-optics studies replaced stories of distant water with measured refractive-index gradients close to heated surfaces.
Why Inferior Mirage matters
Inferior Mirage explains the water-like shimmer on roads and can magnify color separation in some horizon green flashes.
How to read Inferior Mirage
Inferior Mirage in atmospheric-optics and heat-safety education applies when a warm lower air layer lies beneath cooler air.
Inferior Mirage in practice: an example
A dark vehicle or sky patch can appear reflected beneath itself above a sun-heated roadway.
Where readings of Inferior Mirage go wrong
The usual misreading is to navigate toward an apparent water surface, and never magnify the Sun while watching mirage-distorted sunset effects.
Sources and editorial method
Research references used for this entry include:
- National Weather Service: Atmospheric Optics - NWS science reference for halos, pillars, sundogs, green flashes, rays, and related optical displays.
- NOAA Global Monitoring Laboratory: Solar Calculator Glossary - NOAA definitions for solar geometry, atmospheric refraction, and civil, nautical, and astronomical twilight.
- Source
- The Great Almanac Dictionary
- Category
- Seasons & Earth Almanac
- Last updated
- 2026-09-26
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Common questions
What is an Inferior Mirage?
An Inferior Mirage is a displaced or inverted image formed when light bends upward through a steep temperature gradient above a hot surface.
What do people get wrong about an Inferior Mirage?
The usual misreading is to navigate toward an apparent water surface, and never magnify the Sun while watching mirage-distorted sunset effects.
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