mackerel sky


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mackerel sky

[′mak·rəl ′skī]
(meteorology)
A sky with considerable cirrocumulus or small-element altocumulus clouds, resembling the scales on a mackerel.

mackerel sky

A condition in which there are rows of altocumulus or cirrocumulus clouds in the sky, which look like scales of a mackerel fish.
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The storyline is tautly woven through time and space, and the edgy, eccentric female characters make Mackerel Sky unpredictable and unforgettable.
The great English observer John Herschel vividly described the nebulosity as looking like "a curdling liquid or a surface strewn with flocks of wool, or to the breaking up of a mackerel sky."
Quiz of the Day ANSWERS: 1 Shrove Tuesday; 2 Voyager; 3 Ewart; 4 The Great Western; 5 Marriage with a person of a lower social class; 6 The cor anglais; 7 George Bernard Shaw; 8 A mackerel sky; 9 The New Statesman; 10 Thomas Telford.
The green color becomes more obvious through larger telescopes at high powers, while the texture of the nebula brings to mind the clouds of a mackerel sky. The outer regions of the nebula weave an intricate tapestry of streamers and tendrils that reveals more complexity as you make M42 an oft-visited friend.
Mackerel sky and mares' tails make lofty ships carry low sails.