Red Shift Measurements Are a Quick and Dirty Approach

The measurement of thes friganciesit is kind of fuzzy, is in itself, also because these things are faint. You look at this data, it's not like really crisp and beautiful. You can see the statistical fluctuations because o the limited number of photons that have made it this far. Theres just an inherent uncertainty in these red shift measurements,. i sae.