Mapping the Cosmos: Euclid’s Flagship Simulation

Scientists have built the largest galaxy simulation ever—3.4 billion galaxies and four trillion particles—to prepare for ESA’s Euclid mission. This cosmic mock-up will help decode dark energy, map the universe in 3D, and test whether our cosmological model truly holds.Thank you for listening to Bedtime Astronomy — your guide to the cosmos. New episodes on space exploration, NASA missions & the latest astronomy breakthroughs.