If you limit the question to this solar system, it's Ganymede, the seventhoutward moon of Jupiter.
Saturn's biggest moon is Titan, which is also the only known planetary satellite with an atmosphere.
That would be the Moon. Yes, our Moon. Space 1999 used it to travel the stars.
The biggest goal of the Space Race was to send people to the surface of the Moon. The US accomplished this, and put 12 people on the Moon, two at a time. The USSR did not send anyone to the Moon.
The biggest moon is "Ganymede" which is a moon of Jupiter.
There are craters on the moon and no holes created by space debris called meteors collision with earth because when the hit earth a lot of debri comes out of the earth in space which got attracted by moon's strong gravitational pull
Jupiters biggest moon is Ganymede
the biggest moon is gaymede
Ganymede is the biggest moon and orbits jupiter.
The Apollo Lunar Modules were the largest vehicles to land on the moon. The average weight for each of the six was approximately 11,000 US pounds.
The fourth biggest moon in our Solar System is Io a moon of Jupiter. See related question.
The moon does not change in size
Io is not. It's Ganymede, the biggest moon in the solar system.