Thanks for the replies. I find it fascinating that even though an outside observer would witness the two ships approaching at 1.2C, any observers on-board those vessels would be observing the other object approach at something less than 1C. I'm thinking that this must be explained by time...
Or is it just that it can't be observed? This is a question that has been on my mind for some time, so i thought it worth asking here.
Imagine the following scenario: Two spacecraft travel towards each other. Each travels at 0.6C relative to their point of origin (the points of origin being...