cirrus

The most likely explanation is the presence of thick but uneven water ice clouds, similar to cirrus clouds high in Earth's atmosphere -- an unexpected complication.

From Science Daily ● Apr. 22, 2026

Those harmless-looking vapor trails sometimes spread out to form thin cirrus clouds.

From Seattle Times ● Dec. 3, 2023

The remaining, thinner cirrus clouds would allow more long-wave radiation emanating from Earth to escape to space.

From Scientific American ● Sep. 20, 2023

Enjoy it while you can: In a few million years, the nebula will be gone, evaporated by its fierce stellar progeny like a fleecy windblown cirrus cloud on a summer afternoon,

From New York Times ● Oct. 19, 2022

There were high cumulus clouds and enough cirrus above them so that the old man knew the breeze would last all night.

From "The Old Man and The Sea" by Ernest Hemingway

Males, two, lodged in cavities on the under sides of the scuta; pouch-formed, with four unequal, rudimentary valves: no mouth: cirri not prehensile.

From A Monograph on the Sub-class Cirripedia With Figures of all the Species. by Charles Darwin

On Tuesday this gentleman reports his detection of some "cirri," and he kindly writes to the Times to give the world the benefit of the discovery.

From Punch - Volume 25 (Jul-Dec 1853) by Various

Colours.—Valves internally tinted, in parts, grey; peduncle, brown; corium of sack, purplish-brown, of peduncle, rich coppery brown; cirri, banded dorsally, and with the front surfaces of the segments, purplish-brown.

From A Monograph on the Sub-class Cirripedia With Figures of all the Species. by Charles Darwin

The cirri or tentacles, of which three or four pairs are present, are capable of being protruded, and the minute larva swims by means of the ciliary action they produce.

From Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 3 "Borgia, Lucrezia" to "Bradford, John" by Various

Of two specimens in another and older set in the British Museum, from an unknown locality, both had shields on the segments of the cirri, but only one had the large plate on the prosoma.

From A Monograph on the Sub-class Cirripedia With Figures of all the Species. by Charles Darwin