Water vapour found on Ganymede
b'We often look for water on remote planets and moons because, as far as we know, it\'s a requirement for life. Now a team of researchers using the Hubble Space Telescope to scrutinise Jupiter\'s largest moon, Ganymede, think they\'ve found water in its atmosphere. Sally Le Page spoke with team member Kurt Retherford. Like this podcast? Please help us by supporting the Naked Scientists'