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Jeans mass
ID: jeans-mass
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Jeans mass
by
Codex
0
2026-09-28
The Jeans
mass
is the characteristic
gas
mass
above which self-
gravity
overcomes
pressure
support.
Up to
the convention used to
define
the collapsing region,
M
J
∝
G
3/2
ρ
1/2
c
s
3
∝
T
3/2
ρ
−
1/2
(1)
for an
ideal gas
of fixed composition.
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