File:Venus.30.5.2021.NW.jpg

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Deutsch: Die Venus zwei Monate nach der oberen Konjunktion am nordwestlichen Abendhimmel gut drei Bogengrad über dem Horizont, eine halbe Stunde vor ihrem Untergang und eine Stunde nach Sonnenuntergang. Die Venus hatte einen scheinbaren Durchmesser von zehn Bogensekunden, eine visuelle Helligkeit von -2m, wurde von der Erde aus gesehen zu 95,5 Prozent durch das Sonnenlicht beleuchtet und erschien daher noch fast kreisrund. Das von der Venus reflektierte Licht passierte wegen der geringen Höhe über dem Horizont auf dem Weg zur Beobachtung mehrere hundert Kilometer Luft, und durch die Dispersion der Troposphäre ergaben sich am unteren Rand rötliche und am oberen Rand bläuliche Farbtöne. Die im Bild zusätzlich eingeblendete achtfache Vergrößerung der Venus dient zur besseren Erkennbarkeit dieser farbigen Ränder.
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Author Bautsch

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I, the copyright holder of this work, hereby publish it under the following license:
Creative Commons CC-Zero This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication.
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current06:48, 31 May 2021Thumbnail for version as of 06:48, 31 May 20215,184 × 3,888 (825 KB)Bautsch (talk | contribs)Uploaded own work with UploadWizard

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