|Diameter (km)||66 (96 × 60 × 52)|
What are Neptune’s biggest moons?
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 are the 4 largest moons of Neptune?
- Proteus was discovered in 1989 by the Voyager 2 spacecraft. …
- Psamathe was discovered by Scott S. …
- Sao was discovered Aug. …
- Thalassa was discovered in August 1989 in images taken by Voyager 2. …
- Triton is the only known satellite in our solar system to have a surface made mainly of nitrogen ice.
What are the 5 largest moons of Neptune?
Neptune has 13 moons, Triton, Nereid, Naiad, Thalassa, Despina, Larissa, Proteus, and Galatea, plus five smaller, unnamed moons. Triton and Proteus orbit close to Neptune; Nereid is in a distant orbit.
What is the 3rd largest 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|
What are Neptune’s 14 moons called?
Each of the moons is named for a mythological Greek water deity. Moving from closest to Neptune to furthest out, their names are Naiad, Thalassa, Despina, Galatea, Larissa, S/2004 N1 (which has yet to receive an official name), Proteus, Triton, Nereid, Halimede, Sao, Laomedeia, Psamathe, and Neso.
Is there life on Neptune’s moons?
Neptune, like the other gas giants in our solar system, doesn’t have much of a solid surface to live on. But the planet’s largest moon, Triton, could make an interesting place to set up a space colony.
How many moons does Neptune 2020?
Uranus and Neptune
Lastly, Neptune has 14 named moons. One of Neptune’s moons, Triton, is as big as dwarf planet Pluto. To learn more about the moons in our solar system, visit the NASA Solar System Exploration moons page.
What is the name of Neptune’s smallest moon?
Neptune’s Smallest Moon Has a Name (and a Violent Past) A faint and frigid little moon doesn’t have to go by “Neptune XIV” anymore. Astronomers have given a name — “Hippocamp” — to the most recently discovered moon of Neptune, which also formerly went by S/2004 N1.
What is the closest moon to Neptune?
Naiad, the closest regular moon, is also the second smallest among the inner moons (following the discovery of Hippocamp), whereas Proteus is the largest regular moon and the second largest moon of Neptune.
How old are Neptune’s rings?
Neptune is one of four planets in our Solar System with planetary rings. Neptune was not discovered until 1846 and its rings were only discovered definitively in 1989 by the Voyager 2 probe.
How thick is Neptune’s ring?
It is about 2,000 km wide and orbits 41,000–43,000 km from the planet. It is a faint ring with an average normal optical depth of around 10−4, and with an equivalent depth of 0.15 km.
How many moons are in the Solar System 2020?
According to NASA’s website, there are 214 moons in the solar system: 158 confirmed moons and 56 provisional moons—ones we suspect may be there or have spotted once but haven’t yet confirmed.
What are the top 5 largest moons?
|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|
Is Titan bigger than Earth?
Titan is the second largest moon in our solar system. Only Jupiter’s moon Ganymede is larger, by just 2 percent. Titan is bigger than Earth’s moon, and larger than even the planet Mercury.
What are the 5 largest moons of Jupiter?
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.