How Do Gas Supply and Star Formation Change a Galaxy?

How does the fuel for new stars reshape a galaxy's light and structure?

Trace cold gas from a broad reservoir into dense clouds and young stellar regions, then test how depletion, heating, stabilization, or removal can lower the new-star rate.

An original reconstruction of a spiral galaxy fed by cool blue gas streams, with dark dust lanes and warm star-forming knots across its disk. — Vastward-generated artistic reconstruction of gas supply and star formation. It is not a telescope photograph; a real Webb and Hubble comparison appears below.

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