That's not the definition used in space... Docking = A coupling device that actively 'grabs' the other vessel and allows passage between them. Berthing = A pa

That's not the definition used in space... Docking = A coupling device that actively 'grabs' the other vessel and allows passage between them. Berthing = A passive process where the vessel is maneuvered into place and bolted onto the other vessel. The advantage of berthing is that it allows for a larger opening between the two vessels (since the port doesn't need to have all the mechanics necessary to do the 'grabbing' bit).