Soubor:Titan-Complex 'Anti-greenhouse'.jpg

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Fotografie + English: Original Caption Released with Image:

• This natural color image shows Titan's upper atmosphere -- an active place where methane molecules are being broken apart by solar ultraviolet light and the byproducts combine to form compounds like ethane and acetylene. The haze preferentially scatters blue and ultraviolet wavelengths of light, making its complex layered structure more easily visible at the shorter wavelengths used in this image.
• A movie sequence of images, taken around the same time as this color view, shows movement of the haze layers over the course of a few hours (see PIA06223).
• Lower down in the atmosphere, the haze turns into a globe-enshrouding smog of complex organic molecules. This thick, orange-colored haze absorbs visible sunlight, allowing only perhaps 10 percent of the light to reach the surface. The thick haze is also inefficient at holding in and then re-radiating infrared (thermal) energy back down to the surface. Thus, despite the fact that Titan has a thicker atmosphere than Earth, the thick global haze causes the greenhouse effect there to be somewhat weaker than it is on Earth.
• Images taken with the Cassini spacecraft wide-angle camera using red, green and blue spectral filters were combined to create this natural color view. The images were obtained at a distance of approximately 9,500 kilometers (5,900 miles) from Titan on March 31, 2005. The image scale is approximately 400 meters (1,300 feet) per pixel.
• Deutsch: Echtfarbaufnahme der oberen Titanatmosphäre. In der blauen Dunstschicht brechen Methanmoleküle auf, darunter liegt der orangene Dunst. Aufnahme aus 9500 Kilometer Entfernung, die Auflösung beträgt ca. 400 m pro Pixel. Aufnahme von Cassini, 2005.
• Source: http://photojournal.jpl.nasa.gov/jpeg/PIA06236.jpg

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	Datum a čas	Náhled	Rozměry	Uživatel	Komentář
současná	6. 9. 2022, 13:09		972×1 004 (376 kB)	Sysop (diskuse | příspěvky)	(Fotografie + )

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