File:Airglow gravity.JPG
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Ελληνικά: Airglow με gravity waves. Το airglow είναι ένα σχετικά ασθενές φως, συνήθως πράσινο αλλά όχι πάντα, στη ανώτερη ατμόσφαιρα, που προκαλείται από διάφορες ατομικές διαδικασίες. Τα gravity waves (ατμοσφαιρικά βαρυτικά κύματα), είναι ταλαντώσεις της ευσταθούς ανώτερης ατμόσφαιρας λόγω μιας διαταραχής όπως ένα ανοδικό ρεύμα αέρα. Στην εικόνα αυτή διακρίνονται ως κύματα χάρη στο airglow, ενώ το ανοδικό ρεύμα αέρα, πιθανότατα προκλήθηκε από τις μεγάλες πυρκαγιές εκείνης της μέρας στις γύρω περιοχές. Η εικόνα είναι από το Σούνιο στις 18/7/2015 με το ναό του Ποσειδώνα στο βάθος. English: Airglow with gravity waves. Airglow is a faint emission of light, usually green, that is caused by several atomic processes in the upper atmosphere. (Atmospheric) Gravity waves are oscillations of the stable upper atmosphere due to an updraft. Possibly, the updraft, that specific day, was caused by big fires around that area. Gravity waves are visible thanks to airglow in this image taken at Sounion, Attica on 18/7/2015. |
| Date | |
| Source | Own work |
| Author | Christos Doudoulakis |
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I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
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This image was uploaded as part of European Science Photo Competition 2015. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:12, 25 November 2015 | | 4,744 × 2,872 (11.2 MB) | Christos Doudoulakis (talk | contribs) | User created page with UploadWizard |
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