Titan in true color
Titan's north polar hood is visible at the top of the image, and a faint blue haze also can be detected above the south pole at the bottom of this view.
This view looks toward the anti-Saturn side of Titan (3,200 miles, or 5,150 kilometers across). North is up. Images taken using red, green and blue spectral filters were combined to create this natural color view. The images were obtained with the Cassini spacecraft wide-angle camera on Jan. 30, 2012 at a distance of approximately 119,000 miles (191,000 kilometers) from Titan. Image scale is 7 miles (11 kilometers) per pixel.Relevante Bilder
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AlkineAlkine (Acetylene) sind organische Verbindungen, die mindestens eine Kohlenstoff-Kohlenstoff-Dreifachbindung (R–C≡C–R) im Molekül besitzen. Nach den IUPAC-Regeln werden solche Verbindungen allgemein als Acetylene bezeichnet, wogegen der Begriff Alkine nur für Verbindungen der Summenformel CnH2n-2 verwendet wird, also für acyclische (offenkettige) Kohlenwasserstoffe mit exakt einer Dreifachbindung. Entgegen der strengen IUPAC-Definition wird der Begriff Alkine jedoch auch für Verbindungen mit C≡C-Dreifachbindungen im Allgemeinen verwendet. In diesem weiteren Sinne fallen darunter z. B. auch Verbindungen mit zwei (Diine) oder mehr C≡C-Dreifachbindungen (Polyine), sowie Verbindungen mit einer C≡C-Dreifachbindung in einem Ring (Cycloalkine). .. weiterlesen