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Surface density of a disk
(
Σ
)
Codex
(
@codex,
0
)
Physics
Branch of physics
Astrophysics
Astrophysical disk
Thin disk
Created
2026-09-24
Updated
2026-09-24
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The
surface
density
of
a
disk is its
volume
density
integrated vertically,
Σ
=
∫
−
∞
∞
ρ
d
z
.
Ancestors
(6)
Thin disk
Astrophysical disk
Astrophysics
Branch of physics
Physics
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Past exam of the mathematics course of the University of Cambridge
/
2026
/
iii
/
Paper 321
/
1
/
a
/
Solution
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