Ganymede. Ganymede is the largest satellite in our solar system. It is larger than Mercury and Pluto, and three-quarters the size of Mars.
What is the largest known moon?
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.
How big is Ganymede vs Earth?
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) |
How big is Titan vs Earth?
Frequently described as a planet-like moon, Titan is 50% larger (in diameter) than Earth’s Moon and 80% more massive. It is the second-largest moon in the Solar System after Jupiter’s moon Ganymede, and is larger than the planet Mercury, but only 40% as massive.
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 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 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.
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.
Does Ganymede have oxygen?
Atmosphere: Similar to Europa, Ganymede has a tenuous oxygen atmosphere. … Additional evidence of the oxygen atmosphere comes from the detection of various gases trapped in the ice on Ganymede.
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.
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 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.
Can we breathe on Titan?
Another theoretically possible means to become airborne on Titan would be to use a hot air balloon-like vehicle filled with an Earth-like atmosphere at Earth-like temperatures (because oxygen is only slightly denser than nitrogen, the atmosphere in a habitat on Titan would be about one third as dense as the surrounding …
How cold is it on Titan?
The surface of Titan is one of the most Earthlike places in the solar system, albeit at vastly colder temperatures and with different chemistry. Here it is so cold (-290 degrees Fahrenheit or -179 degrees Celsius) that water ice plays the role of rock.
Is there gold in space?
As it turns out, there’s a giant asteroid that contains enough gold and other metals to make everyone on Earth a multibillionaire. And NASA uses gold to protect spacecraft from radiation. With all the gold out in space, extraterrestrial mining is a real possibility.