Moon sizes in solar system
Sizes of major moons in the Solar System:Earth's Moon: Radius of about 1,080 miles (1,740 kilometers)12. Mean radius is 1,079.6 miles (1,737.5 kilometers)2.Neptune's moon Proteus: On the edge of being a major moon3.Larger than Mercury: Two moons in the Solar System3.Larger than Pluto and Eris: Seven moons in the Solar System3.
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6 FAQs about [Moon sizes in solar system]
What is the largest moon in the Solar System?
Orbiting the planet Jupiter is the solar system’s largest moon. Called Ganymede, it has a diameter of 3,275 miles (5,270 kilometers). This makes Ganymede even larger than the planet Mercury, which has a diameter of 3,032 miles (4,879 kilometers). If Ganymede formed in orbit around the Sun rather than Jupiter, it would likely be defined as a planet.
How many moons are there in our Solar System?
A plane is seen flying in front of the Moon on July 31, 2015, in Arlington, Virginia. According to the NASA/JPL Solar System Dynamics team, the current tally of moons orbiting planets in our solar system is 293: One moon for Earth; two for Mars; 95 at Jupiter; 146 at Saturn; 28 at Uranus; 16 at Neptune; and five for dwarf planet Pluto.
How big is the Moon?
Our Moon has a mean radius of 1,737 kilometers / 1,079 miles, while its polar radius is 1,736 km / 1,078 mi, and its equatorial radius is 1,738 km / 1,079 mi. The Moon’s diameter is 3,474 km / 2,158 mi, and it is the biggest Moon in the Solar System relative to the size of its planet.
What are the 4 largest moons in the Solar System?
Moving in order from innermost to outermost, they are Io, Europa, Ganymede, and Callisto. Ganymede is the larger of the four and the biggest, most massive moon in the solar system. Having a diameter of 3,273-miles (5,268-kilometres), it is larger than Mercury, which has a diameter of 3,032-miles (4,879-kilometres).
Do all planets have moons?
Of the terrestrial (rocky) planets of the inner solar system, neither Mercury nor Venus have any moons at all, Earth has one and Mars has its two small moons. In the outer solar system, the gas giants Jupiter and Saturn and the ice giants Uranus and Neptune have dozens of moons.
Which planet has the most moons?
The Moon is the only natural and permanent satellite of Earth. Some planets have two moons, like Mars, others have tens of moons, such as Jupiter, while the planet with the most moons is Saturn, which has 82 moons. Moons vary in size, shape, and composition, and our Moon is in the top 10 list of the biggest satellites in our Solar System.