@@ -0,0 +1,274 @@
+public class Moon%0A%7B%0A    public Moon (int x, int y, int z)%0A    %7B%0A        _position = new Coordinate(x, y, z);%0A        _velocity = new Velocity();  // the x, y, and z velocity of each moon starts at 0.%0A    %7D%0A%0A    private Coordinate _position;%0A    private Velocity _velocity;%0A%7D

Create Moon.java