The distance between the centers along the shortest path namely that straight line will therefore be (r--+ r --) where r--is the radius of the first sphere and r--is the radius of the second.
Where r--is the radius of the first sphere and r--is the radius of the second. The distance between the centers along the shortest path namely that straight line will therefore be (r--+ r --).
The distance between the centers along the shortest path namely that straight line will therefore be (r--+ r --). Where r--is the radius of the first sphere and r--is the radius of the second.
The distance between the centers along the shortest path namely that straight line will therefore be (r--+ r --). Where r--is the radius of the first sphere and r--is the radius of the second.