He is the undisputed ruler of the planets: Jupiter. At 318 Earth masses, it more than doubles the total mass of all other planetary bodies in the solar system. His entourage is also considerable: 79 moons are currently known - only Saturn can top it with 82.
But the giant started out small. Astronomers have found that when it was still a planetary embryo, its growth stalled at times. And later, apparently, he survived an enormous crash with another