Maarten Schmidt found the spectral lines were high redshift (had their emission lines shifted toward longer, redder wavelengths by the expansion of the Universe)
<span>The puzzle about quasar spectra, which was finally solved by Maarten Schmidt, was </span><span>the brightest known quasar</span>.
Columbus managed to convince "The Enterprise of the Indies" to (put what he convinced them to do here), but not King John ll of Portugal. You can also switch the order for that sentence (Columbus wasn't able to convince King John ll of Portugal, but he was successful with "The Enterprise of the Indies"). (enter name here)'s wife Felipa dies (either enter cause of death or why it relates to the previous sentence here). Hope this helps