Jupiter's moon Ganymede is the biggest moon while in the photo voltaic technique. It's larger than World Mercury and dwarf Earth Pluto, and It is really about three-quarters the scale of Mars. It's also the only moon recognized to get its possess magnetic field. Big-effect speculation. In Wikipedia. By NASA/JPL-Caltech, https://archerrvuut.blog-a-story.com/15584516/the-fact-about-best-moons-that-no-one-is-suggesting