machine learning machine learning deployment Star-by-star Galaxy Simulation with 300 Billion Particles Achieved Using Machine Learning and 7,147,200 CPU Cores – Quantum Zeitgeist Google Inc. November 4, 2025 November 4, 2025 Star-by-star Galaxy Simulation with 300 Billion Particles Achieved Using Machine Learning and 7,147,200 CPU Cores Quantum Zeitgeist