The water involved would mass as much as a major Jovian moon.
Each few major moons since last summer, it seemed she discovered more.
One of the four major moons rode high in the sky, another was low on the horizon, rising.
The major moons would attain their closest conjunction of the month at that time.
The light reflected from the planet's major moon was more than enough to steer by.
Then it was a clear disk like the major moons, red on one side and blue on the other.
We're also picking up similar emissions from the other major moons here.
The major moons, except for little Miranda nearest to the planet, had gone.
The other is buried deep inside Canaan's major moon.
All planets and most major moons in the Sol system can also be visited.