Jeans' Length As Oscillation Wavelength
The Jeans' Length is the oscillation wavelength below which stable oscillations rather than gravitational collapse will occur.
where G is the gravitational constant, is the sound speed, and is the enclosed mass density.
It is also the distance a sound wave would travel in the collapse time.
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Famous quotes containing the words length and/or oscillation:
“We praise a man who feels angry on the right grounds and against the right persons and also in the right manner at the right moment and for the right length of time.”
—Aristotle (384–322 B.C.)
“In almost all climes the tortoise and the frog are among the precursors and heralds of this season, and birds fly with song and glancing plumage, and plants spring and bloom, and winds blow, to correct this slight oscillation of the poles and preserve the equilibrium of nature.”
—Henry David Thoreau (1817–1862)