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Opposition surge

The opposition surge (sometimes known as the opposition effect, opposition spike or Seeliger effect) is the brightening of a rough surface, or an object with many particles, when illuminated from directly behind the observer. The term is most widely used in astronomy, where generally it refers to the sudden noticeable increase in the brightness of a…

Art, Physical mechanisms & Throughout the Solar System

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Physical mechanisms

RegolithSolar SystemHapke parametersSaturn'sHugo von Seeliger
10 related topics

Throughout the Solar System

Tom GehrelsAsteroidClementine spacecraftMaria
4 related topics

Overview

ParticlesAstronomyCelestial bodyPlanetMoon
13 related topics

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Physical mechanisms

Throughout the Solar System

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Map overview Semantic statistics

Opposition surge

Nodes31
Edges30
Triples31
Avg. degree1.94
Density0.064516
Components1

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Opposition surge

Top relations

related to Shadow hiding · 12
Opposition surge → At, For, Hapke, Hugo, In, Saturn's, Seeliger, Solar System, Sun, The, This, When
related to External links · 10
Opposition surge → Asteroid Itokawa, Atmospheric, Cassini, Diagrammatic, Hayabusa, Huygens, Includes, Ring, Saturn's, The-moon
related to Throughout the Solar System · 6
Opposition surge → Gehrels, He, No, Since Gehrels, The, Tom Gehrels

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Important terminology

opposition surge effect angle phase object brightness coherent backscatter moon observer light zero sun reflected also shadow surface illuminated increase

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
a planetinstance ofwhere generally it refers to the sudden noticeable increase in the brightness of a celestial body0.80text
mooninstance ofwhere generally it refers to the sudden noticeable increase in the brightness of a celestial body0.80text
or comet as its phase angle of observation approaches zeroinstance ofwhere generally it refers to the sudden noticeable increase in the brightness of a celestial body0.80text
Opposition surgerelated to External linksHayabusa0.60section
Opposition surgerelated to External linksAsteroid Itokawa0.60section
Opposition surgerelated to External linksAtmospheric0.60section
Opposition surgerelated to External linksIncludes0.60section
Opposition surgerelated to External linksDiagrammatic0.60section
Opposition surgerelated to External linksThe-moon0.60section
Opposition surgerelated to External linksSaturn's0.60section
Opposition surgerelated to External linksRing0.60section
Opposition surgerelated to External linksCassini0.60section

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