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 celestial body such as a planet, moon, or comet as its phase angle of observation approaches zero. It is so named because the reflected light from the Moon and Mars appear significantly brighter than predicted by simple Lambertian reflectance when at astronomical opposition. Two physical mechanisms have been proposed for this observational phenomenon: shadow hiding and coherent backscatter.
primaryTopic
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 celestial body such as a planet, moon, or comet as its phase angle of observation approaches zero. It is so named because the reflected light from the Moon and Mars appear significantly brighter than predicted by simple Lambertian reflectance when at astronomical opposition. Two physical mechanisms have been proposed for this observational phenomenon: shadow hiding and coherent backscatter.
has abstract
Der Oppositionseffekt (auch Se ...... konnte er nachgewiesen werden.
@de
En astronomie, l'effet d'oppos ...... significativement leur albédo.
@fr
Het Seeligereffect is het effe ...... e astronoom Hugo von Seeliger.
@nl
O efeito da oposição é o aumen ...... ser mostrado no brilho da Lua.
@pt
The opposition surge (sometime ...... ding and coherent backscatter.
@en
Zjawisko Seeligera – efekt zwi ...... ta ta znajdzie się w opozycji.
@pl
衝日浪(opposition surge,有時稱為衝日效應、 ...... 觀測的現象提出了兩種物理機制:陰影的隱匿性和相干的反向散射。
@zh
Link from a Wikipage to an external page
Wikipage page ID
22,858,502
Wikipage revision ID
713,047,236
subject
comment
Der Oppositionseffekt (auch Se ...... kt am Boden beobachtet werden.
@de
En astronomie, l'effet d'oppos ...... re sur les anneaux de Saturne.
@fr
Het Seeligereffect is het effe ...... e astronoom Hugo von Seeliger.
@nl
O efeito da oposição é o aumen ...... ser mostrado no brilho da Lua.
@pt
The opposition surge (sometime ...... ding and coherent backscatter.
@en
Zjawisko Seeligera – efekt zwi ...... ta ta znajdzie się w opozycji.
@pl
衝日浪(opposition surge,有時稱為衝日效應、 ...... 觀測的現象提出了兩種物理機制:陰影的隱匿性和相干的反向散射。
@zh
label
Efeito da oposição
@pt
Effet d'opposition
@fr
Opposition surge
@en
Oppositionseffekt
@de
Seeligereffect
@nl
Zjawisko Seeligera
@pl
衝日浪
@zh