Earth-Based Telescope Captures Most Detailed Images of Jupiter's Europa and Ganymede

From a desert in Chile, astronomers have found a way to read the chemical signatures of worlds billions of miles away, not by traveling to them, but by learning to listen more carefully to the light they reflect back to us. Using the Very Large Telescope and infrared spectroscopy, planetary scientists at the University of Leicester mapped the surfaces of Jupiter's moons Europa and Ganymede in October 2022 with a precision once reserved for spacecraft. It is a quiet reminder that discovery is often less about proximity than about the quality of our attention — and that the right question, asked