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Some are bigger than others. The Earth's Moon is the largest compared to its mother planet, but the dwarf planet Pluto has the moon Charon which is apparently about half its size.
The Earth's Moon is about one eightieth (1/81) the mass of the Earth, with a diameter of 3476 kilometers (2160 miles). The irregular Martian moon Deimos is only 10 km in diameter at its narrowest The smallest moons of Jupiter and Saturn are even smaller, down to about 0.3 km, where the line between moonand moonlet becomes vague.
What else can I help you with?
How big are the moons in Venus's?
Venus has no moons.
How large are moons?
there are 63 moons and 4 of them are big
Does the planet mercury have craters or moons?
no moons but have big craters
What is so significant about the galilean moons?
They're fairly big for moons, although Jupiter itself is big. The four "Galilean" moons of Jupiter were the first "moons" other than our own Moon to be seen, by Galileo using his new telescope.
Which planet has lesser moons?
Mars has two very tiny moons. Jupiter and Saturn also have lots of small moons, but they also have lots of big moons.
Why does the Jupiter have more moons?
Because it is big
What is the planet with 27 moons?
Uranus has at least 27 moons that we know of.
What is the biggest moons?
The biggest moon is "Ganymede" which is a moon of Jupiter.
Why are there different kinds of moons?
Moons are big rocks in space so they are not created all the same way.
Do the moons have names for Jupiter?
If you mean the moons of the planet Jupiter- there are 67 moons in total. 53 of them have names. 14 do not (yet) have a name. That's a lot of moons- but Jupiter is a BIG planet.
What are the names of Jupiter's big moons?
The four large moons on Jupiter, or Galilean moons for the astronomer who discovered them, are called Io, Europa, Ganymede, and Callisto.
Why does Saturn have 60 moons?
because it is big planet
