1 min read
Ganymede
- Object NameObject NameA name or catalog number that astronomers use to identify an astronomical object.Ganymede
- Release DateOctober 10, 1995
- Science ReleaseHubble Photo Gallery of Jupiter’s Galilean Satellites
- Credit
Related Images & Videos

Hubble Photo Gallery of Jupiter's Galilean Satellites
This is a Hubble Space Telescope "family portrait" of the four largest moons of Jupiter, first observed by the Italian scientist Galileo Galilei nearly four centuries ago. Located approximately one-half billion miles away, the moons are so small that, in visible light, they...
Share
Details
Last Updated
Mar 28, 2025
Contact
Media
Claire Andreoli
NASA’s Goddard Space Flight Center
Greenbelt, Maryland
claire.andreoli@nasa.gov