Third Dredge-Up ·
TP-AGB Star
un
seel
.com · helium-shell flash · carbon & s-process to the surface
Pulse
0
C/O ratio
0.55
Phase
—
C–O core (degenerate)
He-burning shell / flash
Intershell (¹²C, s-process)
H-burning shell
Convective envelope
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.com · The Third Dredge-Up: How AGB Stars Bring Carbon and s-Process Elements to the Surface