A simplified illustration of the parallax of an object against a distant background due to a perspective shift. When viewed from Viewpoint A, the object appears to be in front of the blue square. When the viewpoint is changed to Viewpoint B, the object appears to have moved in front of the red square.
From top to bottom: Io, Europa, Ganymede, Callisto. The Galilean moons are the four largest moons of JupiterâIo, Europa, Ganymede, and Callisto. They were discovered by Galileo Galilei around January 1610 and were the first group of objects found to orbit another planet. Their names derive from the lovers of Zeus.
Originally Answered: How many satellites does Jupiter have? .Jupiter have 67 moons.Most of them are very small. 4 large ones were detected by Galileo in 1609 with his s,mall telescope. They are Io.Callisto, Ganymede and Europa. picture thinglink.com. fore list of all 67 moons see this link.