| 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 is the third biggest moon?
Callisto is Jupiter’s second largest moon after Ganymede and it’s the third largest moon in our solar system. It’s almost as big as Mercury.
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 |
What is the name of Earth’s third moon?
Its fate, here. Earth’s new mini-moon – officially labeled 2020 CD3 – is the point source in the center of this February 24, 2020, image, obtained with the 8-meter Gemini North telescope in Hawaii.
What are Saturn’s 4 largest moons?
Let’s look at the eight major moons of Saturn:
- Titan. Titan is the largest of Saturn’s moons and the first to be discovered. …
- Dione. Dione is thought to be a dense rocky core surrounded by water-ice. …
- Enceladus. Enceladus contains more than 100 geysers at its south pole. …
- Hyperion. …
- Iapetus. …
- Mimas. …
- Rhea. …
- Tethys.
30 июн. 2016 г.
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 is the smallest moon?
Hippocamp is just 7,450 miles (12,000 km) interior to the largest and outermost of these other six, the 260-mile-wide (420 km) Proteus. Like Earth’s own moon, Proteus has been slowly spiraling away from its parent planet for eons — and so has Hippocamp, though at a much slower rate.
Is Pluto larger than the moon?
Pluto is smaller than Earth’s moon. This dwarf planet takes 248 Earth years to go around the sun. … Its largest moon is named Charon (KAIR-ən). Charon is about half the size of Pluto.
What is the biggest thing in the universe?
The largest known structure in the Universe is called the ‘Hercules-Corona Borealis Great Wall’, discovered in November 2013. This object is a galactic filament, a vast group of galaxies bound together by gravity, about 10 billion light-years away.
What are the 4 Galilean moons?
A comparison “portrait” of Jupiter’s four Galilean moons Io, Europa, Gany- mede, and Callisto, each with different characteristics.
What does 3 moons mean?
These three figures are often described as the Maiden, the Mother, and the Crone, each of which symbolizes both a separate stage in the female life cycle and a phase of the Moon, and often rules one of the realms of heavens, earth, and underworld. In various forms of Wicca, her masculine consort is the Horned God.
Are there 2 moons?
Astronomers from the Catalina Sky Survey yesterday announced they’d found a second natural satellite orbiting the Earth. It looks like our planet and its long-standing partner Luna have decided to explore polyamory.
Do we have 3 moons?
A group of Hungarian scientists has confirmed a long-standing astronomical speculation: the Earth has three natural satellites or moons, not one. … This is why they were difficult to observe and study in the first place even when they are located at around the same distance as the Moon from the Earth—400,000 kilometres.
Does Saturn have 7 moons?
Seven Saturnian moons are large enough to have collapsed into a relaxed, ellipsoidal shape, though only one or two of those, Titan and possibly Rhea, are currently in hydrostatic equilibrium. … Two other known regular satellites orbit within gaps in Saturn’s rings.
Does Saturn have 82 moons?
Saturn has 82 moons. Fifty-three moons are confirmed and named and another 29 moons are awaiting confirmation of discovery and official naming. Saturn’s moons range in size from larger than the planet Mercury — the giant moon Titan — to as small as a sports arena.
What planet has 150 moons?
Yes, Saturn has at least 150 moons and moonlets in total, though only 53 of these moons have been given official names. Most of these moons are small, icy bodies that are little more than parts of its impressive ring system.