Sorry , I am new to this forum so I don't know how to edit and correct mistakes. The first paragraph was meant to say :-
If we were lucky enough to find that anti-matter was repulsed by the gravity from normal matter it would possibly mean we would not require dark matter to balance our...
If we were lucky enough to find that anti-matter was repulsed by the gravity from normal matter it would possibly mean we would not require dark matter to balance our observations of the cosmos.
At the big bang the dark matter would have accelerated away (accounting for the observed discrepancy...