The Earth would be like a large moon in the sky.
The supply base on the large moon was an impressive sight.
Thus you need to find a large moon or planet.
The picture showed a large moon that had a kind of explosion going on.
The larger moon would be up in an hour or so.
"Taking refuge with the other ship, behind that large moon."
There were two moons, large and beautiful, in the sky.
What followed was a scene of panic under a large yellow moon.
"She ought to be moving out from behind the larger moon any minute now."
The larger moon, already sinking, touched them with cold fire.