SEA - SHIPS - WAVES & THOUGHTS: Departure - Απόπλους

Tuesday, September 12, 2006

Departure - Απόπλους

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4 comments:

Pal-Pal said...: Its a good opportunity to explain why the sky is blue and sometimes red, as in your photos.
Old people say, when sky is getting red a windy day is coming...; 10:14 AM
Pal-Pal said...: A clear cloudless day-time sky is blue because molecules in the air scatter blue light from the sun more than they scatter red light. When we look towards the sun at sunset, we see red and orange colours because the blue light has been scattered out and away from the line of sight.

When the air is clear the sunset will appear yellow, because the light from the sun has passed a long distance through air and some of the blue light has been scattered away. If the air is polluted with small particles, natural or otherwise, the sunset will be more red. Sunsets over the sea may also be orange, due to salt particles in the air, which are effective Tyndall scatterers. The sky around the sun is seen reddened, as well as the light coming directly from the sun. This is because all light is scattered relatively well through small angles--but blue light is then more likely to be scattered twice or more over the greater distances, leaving the yellow, red and orange colours.; 10:18 AM
Antonis said...: Είμαι σίγουρος ότι τίποτα από αυτά που γράφεις δεν ενδιαφέρουν τους ερωτευμένους όταν κοιτάζουν το ηλιοβασίλεμα.
Ενδιαφέροντα μεν, άχρηστα για τη ψυχή που κοιτάζει το ηλιοβασίλεμα δε.; 6:03 PM
Pal-Pal said...: Συμφωνω,
Ηλιοβασιλεματα "γεματα αναμνησεις"
-Τοπο στα νειατα..........; 8:50 PM

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