How Do Aging Stars Pulse, Shed Gas, and Make Dust?

What happens when hydrogen and helium burn in shells around an inert core?

Meet the asymptotic giant branch (AGB), a late stellar stage shaped by shell burning, pulsation, mass loss, dust, and observable change.

A scientific artistic reconstruction of a huge amber asymptotic giant branch (AGB) star with broad atmospheric pulses and a dusty gas wind expanding into space. — Vastward artistic reconstruction. The star, pulsing atmosphere, and dusty outflow are separated to make a causal sequence visible; the geometry is illustrative.

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