04 JUN. 2004 Veröffentlichungsdatum 72 Aufrufe

An ultraviolet image of Venus's clouds as seen by the Pioneer Venus Orbiter from 26 February 1979.

The immense C- or Y-shaped features which are visible only in these wavelengths are individually short lived, but reform often enough to be considered a permanent feature of Venus's clouds.

The mechanism by which Venus's clouds absorb ultraviolet is not well understood.