Atmosphere of Earth sublimated into polar-mesospheric noctilucent clouds. These are the highest clouds in the atmosphere and may be visible to the naked eye if sunlight reflects off them about an hour or two after sunset or a similar length of time before sunrise. They are most readily visible when the Sun is around 4 to 16 degrees below the horizon. Lightning-induced discharges known as transient luminous events (TLEs) occasionally form in the mesosphere above tropospheric thunderclouds. The mesosphere is also the layer where most meteors burn up upon atmospheric entrance. It is too high above Earth to be accessible to jet-powered aircraft
Lowest of the Low (book) Lowest of the Low (book) Lowest of the Low or Lowest of the Low: the Turkish worker in West Germany is the English translation of German journalist Günter Wallraff’s book Ganz unten (“At the bottom”), originally published in Germany in 1985. The book describes his undercover experiment as a Turkish migrant worker in West Germany over the span of two years. Wallraff assumes the identity of a Turkish man named Ali Sigirlioğlu. Wallraff opts to disguise himself for his experiment. He alters his appearance by wearing contact lenses and a wig to make himself appear younger, and additionally adopts what