File:Astronomical, true, and visible horizon.svg

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English: Diagram, showing definition of the astronomical, true, and visible horizon.
e: Observer's altitude.
H'H: True/astronomical horizon.
C1C2C3C4: Theoretical visible horizon.
B1B2B3B4: Practical visible horizon (due to refraction).
α: Horizon depression.
Русский: Схема, демонстрирующая определение астрономического, истинного, видимого горизонта.
e: Высота наблюдателя.
H'H: Истинный/астрономический горизонт.
C1C2C3C4: Теоретический видимый горизонт.
B1B2B3B4: Фактический видимый горизонт (из-за рефракции).
α: Понижение горизонта.
Deutsch: Horizonte (schematisch, nicht maßstäblich). Der Betrachter steht auf dem Punkt M und blickt von A aus.
H H' – astronomischer Horizont
C1 C2 C3 C4 – nautischer Horizont
B1 B2 B3 B4 – optischer Horizont
Der astronomische Horizont ist ebenfalls kreisförmig; hier ist er als Gerade dargestellt, wie er dem Betrachter beim Blick in eine bestimmte Richtung erscheint.
Date
Source Own work, based on [1].
Author Hellerick

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current06:24, 29 September 2015Thumbnail for version as of 06:24, 29 September 2015674 × 788 (95 KB)Hellerick (talk | contribs)More marked points.
06:14, 29 September 2015Thumbnail for version as of 06:14, 29 September 2015674 × 788 (82 KB)Hellerick (talk | contribs)User created page with UploadWizard

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