Quote:
Originally Posted by Vectisbirder 
It is an astronomical truth that the further back you can see in space the further back you are seeing in time. You are seeing things as they were 'then' not as they are 'now'.
Not too convinced about the 'doughnut' though.
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I would disagree that this is the "truth". It merely fits in with some current scientific opinion and may well be proved someday as being totally wrong.
Scientific knowledge is not really knowledge at all, but a Theory. It is a hypothesis that something is the way it is because of x,y,z. If you can back this hypothesis up with observations, it can be quite a good theory. If your theory can predict an outcome and this is later confirmed by observation, it can be a stonking theory.
However, a theory is only meant to be "true" until a better theory comes along or it is disproved. It is not and has never meant to be The Truth.