>  Well, *usually* science goes through the cycle:
>
> 1) We observe some phenomenon,
> 2) We study and measure the phenomenon.
> 3) We formulate hypotheses, and if these hypotheses can make enough 
> accurate
>   predictions which match new observations, they are made into theories.
> 4) If new observations and measurements contradict the existing theories,
>   they are revised, or entirely new hypotheses are formulated, so we go
>   back to step 1.

Didn't Einstein predict black holes before we found any?

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