>Doesn't it take a million and some years for the galaxy to rotate?
>
>Haven't we known what galaxies are for 80 years?
>
>I have my doubts that there is actual science going on in cosmology.
More like over a few hundred million years. The rotation of galaxies can be observed through the Doppler effect - it doesn't require observing the galaxy for an entire period.
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)
