Jupiter has the highest number of known moons, 92.Mercury and Venus are the two planets with no known moons.The four largest moons of Jupiter are referred to as Galilean moons- Io, Europa, Ganymede, and Callisto.It is much denser than Ganymede, Callisto, and Titan. Earth’s moon has an almost negligible atmospheric pressure of 3 x 10 -15 bar.
With a mean density of 3,530 kg / m 3, it is the densest moon on this list.ĭensity of Earth’s moon- 3,340 kg / m 3 Earth’s moonĬoming at number five on this list, Earth’s moon has a mean radius of 1,737.4 km. It was also discovered by Galileo Galilei. It has a mean radius of 1,822 kilometers making it the fourth-largest moon of the solar system. It was discovered on the same day as Ganymede by Galileo Galilei. It is just slightly smaller than Mercury. It is the second-largest moon of Jupiter with a mean radius of 2,411 kilometers. CallistoĬallisto comes at number three on this list. Titan was discovered by Christiaan Huygens on March 25, 1655. It has a substantial atmosphere composed mainly of Nitrogen and Methane. Titan is the only known moon where liquids exist in the form of rivers, lakes, seas, and other water bodies. Just like Ganymede, Titan has a larger radius than Mercury but is less massive. It is Saturn’s largest moon and has a mean radius of 2,575 kilometers. Titan is the second-largest moon in the solar system. The four largest Moons of Jupiter- IO, Europa, Ganymede, and Callisto (from the left)Īlthough Ganymede has a larger radius than Mercury it is not as massive as Mercury. It was discovered by Galileo Galilei on January 7, 1610. Ganymede is also the most massive natural satellite. The only known moon with its own magnetic field, Ganymede has a metallic iron core and a thin atmosphere composed mainly of oxygen. It has a mean radius of 2,631 kilometers, meaning it is larger than Mercury which has a mean radius of 2,439.7 kilometers. Ganymede, Jupiter’s largest moon is the largest moon in the Solar system. Top 5 largest moons in the solar system Ganymede Ganymede, a moon of Jupiter is the largest moon in the Solar system. In this article, the top 5 largest moons of the Solar system are discussed. But, what if I tell you some of the natural satellites (moons) have sizes comparable to the smaller planets? Two moons are even larger than Mercury. This coloring is believed to come from sulfur. Most of us think of the Sun and the eight planets when we think of the Solar system. Io and its volcanoes Fact 8: Amalthea is the reddest object in our solar system. The brief overview of the Solar system that we read online or in academic books does not explain the complexity of our Solar system.
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