Some rise nearly to the surface, where the water is coldest; and then the vapour partially condenses, with the result that its lifting power is diminished, and hence the drops sink into the lower part of the beaker.
"Liquid Drops and Globules, their Formation and Movements"
Chas. R. Darling
This vapour gradually cools down, and ultimately condenses into a star, or a cluster of stars.
"The Story of the Heavens"
Robert Stawell Ball
The astronomer's life is not long enough, the life of the human race might not be long enough, to watch the process by which a nebula condenses down so as to form a solid body.
"The Story of the Heavens"
Robert Stawell Ball