function makePlanet(vec, rad)
%the sphere(N) function will create three N+1 by N+1 matrices that are x, y,
%and z coordinates to a unit sphere
[x, y, z] = sphere(30);
%apply the radius and position changes
newx = x*rad + vec(1);
newy = y*rad + vec(2);
newz = z*rad + vec(3);
%plot it
surf(newx, newy, newz);
end