Photos of Ganymede, Jupiter's Largest Moon

Jupiter's Family Portrait


This "family portrait," a composite of the Jovian system, includes the edge of Jupiter with its Great Red Spot, and Jupiter's four largest moons, known as the Galilean satellites. From top to bottom, the moons shown are Io, Europa, Ganymede and Callisto.

Smacks in the Face Explain Unique Looks of Two Moons


Jupiter (right) and the Galilean satellites (right to left) Io, Europa, Ganymede, and Callisto. Cutaways show the interior states of Ganymede and Callisto after many impacts by icy planetesimals during the late heavy bombardment.

Skywatcher's Brightness Map of Jupiter Moon Ganymede

Manos Kardasis

The original observations (top) and interpretations (bottom) of the first ever amateur albedo map of Ganymede.

Amateur Astronomer Photographs Jupiter and Ganymede

Manos Kardasis

Amateur photographs of Jupiter and Ganymede, accompanied with a professionally obtained labeled map (bottom right).

New Map Reveals Geology of Jupiter's Moon Ganymede

Wes Patterson

A global image mosaic of Jupiter's moon, Ganymede created with images from the Voyager and Galileo missions.

Jupiter's Moons in 1979: Ganymede by Voyager 2

UCL Faculty of Mathematical and Physical Sciences

This image shows Jupiter moon Ganymede taken by Voyager 2 in 1979. Voyager probes 1 and 2 visited the Jovian system in 1979, before taking different paths through the outer reaches of the Solar System, studying the giant planet as well as making numerous images of its moons. The relatively narrow field of view, combined with the Voyager probes' close flybys meant that the photos had to be stitched together, which in the days before powerful computer graphics software meant printing them out and sticking them together by hand, like a giant jigsaw puzzle, interspersed with hand-written notes and computer printouts of technical information relating to the photographs.

Amateur Map of Ganymede and Known Surface Features

Manos Kardasis

Albedo maps of Ganymede (left) and how they relate to known surface features (right).


Ganymede: Jupiter’s Largest Moon

Join our Space Forums to keep talking space on the latest missions, night sky and more! And if you have a news tip, correction or comment, let us know at: Staff
News and editorial team is the premier source of space exploration, innovation and astronomy news, chronicling (and celebrating) humanity's ongoing expansion across the final frontier. Originally founded in 1999, is, and always has been, the passion of writers and editors who are space fans and also trained journalists. Our current news team consists of Editor-in-Chief Tariq Malik; Editor Hanneke Weitering, Senior Space Writer Mike Wall; Senior Writer Meghan Bartels; Senior Writer Chelsea Gohd, Senior Writer Tereza Pultarova and Staff Writer Alexander Cox, focusing on e-commerce. Senior Producer Steve Spaleta oversees our space videos, with Diana Whitcroft as our Social Media Editor.