丰AURA LAZURA丰

A glimpse of a dream

Arturo Kameya.

Hilma af Klint, Tree of Knowledge, No. 7b, c. 1913-1915

“Z-pinches constrain the plasma filaments in an electrical discharge from a Tesla coil.” - via Wikimedia Commons

Shades of blue, green, and purple light the Icelandic sky in this image from December 2023. Incoming solar wind particles hit oxygen and nitrogen atoms high in the atmosphere, exciting their electrons and creating this distinctive glow.  (Image credit: J. Zhang; via APOD)

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Altocumulus Lenticular clouds are stationary clouds that form mostly in the troposphere, typically in parallel alignment to the wind direction. They are often comparable in appearance to a lens or saucer. Nacreous clouds that form in the lower stratosphere sometimes have lenticular shapes.

Jongsook Kim: Utopia 10 (2012) mixed media on canvas, made with Swarovski's cut crystals