Doppler effect missing

Rating: 7/10 (8 January 2017)

I loved the movie , but ...
Regardless of story line which is not stable and finally offers you a bit of each theme , there is a real technical problem scientifically.
Avalon is traveling in near light speed ( otherwise it never reaches another planet in 120 years ) , the fact is here that on such speed we will have Doppler effect which causes actually the color of the light changes , therefore what we see in front and what we see in rear are effected. In the movie we have a Hubble like vision of space ... which cannot be there.
Also this is not realistic to have only one Autodoc in spaceship for five thousand people! If I were, I would have picked up at least two...
Thanks