Water vapor in Jupiter moon Ganymede's atmosphere? Hubble has evidence

The Hubble Space Telescope has detected evidence of water vapor in the atmosphere of Jupiter's moon Ganymede. Credit: Directed by: Bethany Downer and Nico Bartmann Editing: Nico Bartmann Web and technical support: Enciso Systems Written by: Bethany Downer Music: STAN DART - Organic Life (Music written and performed by STAN DART) Footage and photos: NASA, ESA and STScI