Alpenglow Phenomenon

  • Recently, an astronaut stationed aboard the International Space Station (ISS) shared images of the ‘Alpenglow Phenomenon’ near the Hindu-Kush mountain range.
  • Alpenglow Phenomenon is an optical phenomenon characterized by a horizontal reddish glow near the horizon, opposite the Sun, when it is just below the horizon.
  • Soft shadows in addition to the reddish colour can be observed when Alpenglow occurs.
  • It occurs when direct sunlight around sunrise or sunset is reflected off airborne precipitation, ice crystals, or particulates in the lower atmosphere, as sun has no direct path to mountains.
  • It produces a pinkish band on the opposite side of ....
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