40.6 MB (4.2 MB compressed)
3121 x 4545 pixels
26.4 x 38.6 cm ⏐ 10.4 x 15.2 in (300dpi)
PEKKA PARVIAINEN / SCIENCE PHOTO LIBRARY PEKKA PARVIAINEN / SCIENCE PHOTO LIBRARY
Cirrus cloud. Spiralling cirrus Kelvin-Helmholtz cloud. Its distinct corkscrew pattern is formed by layers of air moving across each other in opposite directions, creating a series of circular air movements in between them. This type of cloud generally forms at high altitude and dissipates rapidly.
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