Why do galaxies stop forming stars?

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This project aims to use the most powerful radio and optical telescopes in the world to identify the mechanisms driving the quenching of star formation in the most massive structures in the Universe. This research expects to answer some of the fundamental questions identified by the international astronomy community regarding how galaxies form and evolve, how star formation proceeds and why nearly half of the galaxies in the local Universe have stopped forming stars. It will forge strong links with international partners, strengthen Australian expertise in a critical area of astronomical research, offer an ideal platform for accelerating the training of students in STEM and contribute to public outreach work.