Ganymede. Ganymede is the largest moon in the solar system (larger than the planet Mercury), and is the only moon known to have its own internally generated magnetic field.
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 Ganymede bigger than Mercury?
Size, Mass and Orbit:
With a mean radius of 2634.1 ± 0.3 kilometers (the equivalent of 0.413 Earths), Ganymede is the largest moon in the solar system and is even larger than the planet Mercury.
Are Jupiter’s moons bigger than Earth?
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. … Like Earth, Titan’s atmosphere is primarily nitrogen, plus a small amount of methane.
How are Ganymede and our moon different?
Lighter regions are young and smooth (unlike Earth’s Moon). The largest area on Ganymede is called Galileo Regio. The large craters on Ganymede have almost no vertical relief and are quite flat. They lack central depressions common to craters often seen on the rocky surface of the Moon.
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.
Which planet has the most moons?
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| Planet / Dwarf Planet | Confirmed Moons | Total |
|---|---|---|
| Earth | 1 | 1 |
| Mars | 2 | 2 |
| Jupiter | 53 | 79 |
| Saturn | 53 | 82 |
Can we breathe on Ganymede?
In 1996, astronomers using the Hubble Space Telescope found evidence of a thin oxygen atmosphere. However, it is too thin to support life as we know it; it is unlikely that any living organisms inhabit Ganymede.
Is Ganymede a God?
Ganymede is the god of homosexual love and desire. He was a divine hero whose homeland was Troy and was the most beautiful of mortals.
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.
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.
Does Jupiter have 79 moons?
There are 79 known moons of Jupiter, not counting a number of moonlets likely shed from the inner moons.
Can we live on Titan?
Habitability. Robert Zubrin has pointed out that Titan possesses an abundance of all the elements necessary to support life, saying “In certain ways, Titan is the most hospitable extraterrestrial world within our solar system for human colonization.” The atmosphere contains plentiful nitrogen and methane.
Does Jupiter’s moon have life?
A new model from NASA scientists supports the theory that the interior ocean in Jupiter’s moon Europa would be able to sustain life.
Which Moon has the most water?
Ranking from least to most, the list includes: Enceladus, Triton, Dione, Pluto, Earth, with Europa, Callisto, Titan and Ganymede have the most liquid water by volume. Jupiter’s moon Ganymede has 46%, and Europa has 16% liquid water by volume. Two unmanned space missions are planned to investigate the ocean of Europa.
Can a moon be larger than its planet?
Moons are always smaller than the planet that they orbit (move around). … There are seven moons in our Solar System, including our own Moon, that are larger than Pluto. Jupiter’s moon Ganymede is the largest moon in the Solar System, and Ganymede as well as Saturn’s moon Titan are both larger than Mercury and Pluto.