Cloud
In meteorology, a cloud is a visible mass of liquid droplets or frozen crystals made of water or various chemicals suspended in the atmosphere above the surface of a planetary body. These suspended particles are also known as aerosols. Clouds in earth's atmosphere are studied in the cloud physics branch of meteorology. Two processes, possibly acting together, can lead to air becoming saturated; cooling the air or adding water vapor to the air. In general, precipitation will fall to the surface; an exception is virga, which evaporates before reaching the surface.
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Famous quotes containing the word cloud:
“When the lamp is shattered,
The light in the dust lies dead;
When the cloud is scattered,
The rainbow’s glory is shed;
When the lute is broken,
Sweet tones are remembered not;
When the lips have spoken,
Loved accents are soon forgot.”
—Percy Bysshe Shelley (1792–1822)
“Sometimes we see a cloud that’s dragonish,
A vapor sometimes like a bear or lion,
A towered citadel, a pendant rock,
A forked mountain, or blue promontory
With trees upon ‘t that nod unto the world
And mock our eyes with air. Thou hast seen these signs;
They are black vesper’s pageants.”
—William Shakespeare (1564–1616)
“Here’s neither bush nor shrub to bear off any weather at all. And another storm brewing, I hear it sing i’ the wind. Yond same black cloud, yond huge one, looks like a foul bombard that would shed his liquor. If it should thunder as it did before, I know not where to hide my head. Yond same cloud cannot choose but fall by pailfuls.”
—William Shakespeare (1564–1616)