Water - or at least ice - occurred on all the moons of Jupiter.
If ever water became a bottleneck, more could be brought in from the moons of Jupiter.
The camera and the mission are not designed to study the moons of Jupiter.
It's not like you were trying for the moons of Jupiter.
"I know quite a bit about the moons of Jupiter," he said slowly.
Since then, many more moons of Jupiter have been identified.
We know what the scientists are doing on the moons of Jupiter.
How great his relief when he learned they were moons of Jupiter!
And we think they sometimes exchange places with the outer moons of Jupiter.
The largest, most important Garden is a moon of Jupiter.