| Largest moons in the Solar System (diameter over 1,000 km) | ||
|---|---|---|
| Moon | Planet | Mass (planet = 1) |
| Ganymede | Jupiter | 7.80 x 10–5 |
| Titan | Saturn | 2.37 x 10–4 |
| Callisto | Jupiter | 5.67 x 10–5 |
What are Jupiter’s 5 biggest moons?
ESA Science & Technology – Jupiter’s largest moons
From top to bottom, the moons are Io, Europa, Ganymede and Callisto. Europa is almost the same size as Earth’s moon, while Ganymede, the largest moon in the Solar System, is larger than planet Mercury.
What are Uranus 5 biggest moons?
Uranus has five major moons: Miranda, Ariel, Umbriel, Titania, and Oberon. They range in diameter from 472 km for Miranda to 1578 km for Titania.
What are the biggest moons?
Size. Ganymede is the largest and most massive moon in the Solar System. Its diameter of 5,268 km is 0.41 times that of Earth, 0.77 times that of Mars, 1.02 times that of Saturn’s Titan (Solar System’s second largest moon), 1.08 times Mercury’s, 1.09 times Callisto’s, 1.45 times Io’s and 1.51 times the Moon’s.
Which is bigger Io or Europa?
Ganymede is the largest moon in the Solar System, and is even bigger than the planet Mercury, though only around half as massive.
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Members.
| Name | Europa Jupiter II |
|---|---|
| Mass (kg) | 4.8×1022 |
| Density (g/cm3) | 3.014 |
| Semi-major axis (km) | 671100 |
| Orbital period (days) (relative to Io) | 3.551 (2.0) |
Does Jupiter have 79 moons?
Jupiter has 53 named moons and another 26 awaiting official names. Combined, scientists now think Jupiter has 79 moons.
Can you see Jupiter moons?
Jupiter is now at its best time of the year for viewing, so turn your binoculars or telescope on the giant planet for a glimpse of its 4 largest Galilean moons. Composite image of Jupiter and its 4 Galilean moons. … If a moon is in front of the planet, you can sometimes see the moon’s shadow on Jupiter’s cloudtops.
What is Neptunes biggest moon?
Triton is the largest of Neptune’s 13 moons. It is unusual because it is the only large moon in our solar system that orbits in the opposite direction of its planet’s rotation―a retrograde orbit.
What planet has 27 moons?
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| Planet / Dwarf Planet | Confirmed Moons | Provisional Moons |
|---|---|---|
| Jupiter | 53 | 26 |
| Saturn | 53 | 29 |
| Uranus | 27 | |
| Neptune | 14 |
Why does Uranus have 27 moons?
The moons of Uranus may have formed from the collision that knocked the planet over on its side. “Material from the two [colliding] bodies is ejected in a debris disk, and finally satellites are formed from the debris disk,” researcher Yuya Ishizawa, of Japan’s Kyoto University, told Space.com.
What is the 3rd biggest moon?
Biggest Moons In Our Solar System
| Rank | Moon, Planet | Average Diameter |
|---|---|---|
| 1 | Ganymede, Jupiter | 5,262 kilometers |
| 2 | Titan, Saturn | 5,150 kilometers |
| 3 | Callisto, Jupiter | 4,821 kilometers |
| 4 | Io, Jupiter | 3,643 kilometers |
Is Titan bigger than Earth?
Titan is the second largest moon in our solar system. … Titan is bigger than Earth’s moon, and larger than even the planet Mercury.
Is Pluto smaller than the moon?
Pluto is smaller than Earth’s moon. … This dwarf planet has five moons. Its largest moon is named Charon (KAIR-ən). Charon is about half the size of Pluto.
What is the largest Galilean moon?
They were discovered by Galileo Galilei and are known as the Galilean moons. Jupiter’s largest moon, Ganymede, is larger than Mercury while the other three are larger than Pluto.
Who discovered the moon?
Earth’s only natural satellite is simply called “the Moon” because people didn’t know other moons existed until Galileo Galilei discovered four moons orbiting Jupiter in 1610.
Why does Jupiter have 79 moons?
The further you travel from the sun, the weaker its gravitational pull on you becomes. Therefore, if Namouni is correct, the real Jupiter has 79 moons and counting because it’s an insanely massive planet that’s far enough away from the sun to avoid lunar theft.