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.
Which planet has an unusually large moon?
Earth’s Moon is unusually large compared with the planet. Most moons are dwarfed by their nearby planet. However, some of the moons of Jupiter and Saturn are much larger than our Moon. Ganymede and Titan are bigger than the planet Mercury.
Is Ganymede bigger than 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.
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 planet has at least 67 moons?
Jupiter has 67 known moons — the most of any planet in the solar system — and more are expected to be discovered by the Juno spacecraft. There are three main moon groups, the first being the four primary Jovian satellites.
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.
What is the hottest planet?
Venus is the exception, as its proximity to the Sun and dense atmosphere make it our solar system’s hottest planet. The average temperatures of planets in our solar system are: Mercury – 800°F (430°C) during the day, -290°F (-180°C) at night. Venus – 880°F (471°C)
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 live 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. … Ganymede’s magnetosphere is entirely embedded within the magnetosphere of Jupiter.
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.
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.
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.
What planet is the smallest?
What are the 4 moons?
The four moons are Io, Europa, Ganymede, and Callisto, in order of distance from Jupiter. (Their names derive from lovers of Zeus.) These moons provided evidence that not all celestial bodies orbit the Earth, a powerful revelation as, up until that time, astronomers considered Earth the center of the universe.
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 4 moons did Galileo?
In January 1610, Italian astronomer Galileo Galilei discovered four of Jupiter’s moons — now called Io, Europa, Ganymede and Callisto.