To do what? Row? That would be impossible as there is no evidence of water on the moon.
Use "a moon" when you are speaking generically about moons in general, or when you are saying things that are common to many moons. Use "the Moon" (capitalized) when referring to Earth's Moon...
a Space Shuttle and a Space Suit
No way!
because of the light.
Have You Tryed Super Glue?