> Disk galaxies like the Milky Way form stars “inside-out” — starting from the center and working outwards through the disk. So, as a general rule, the farther out astronomers look, the younger the stars are.
Do they meant looking out from Earth (which is actually nearer to the center of a spiral arm than to either end) or out from the galactic bulge. Either way doesn't make sense.
Paper: https://www.aanda.org/articles/aa/full_html/2026/04/aa58144-...
The earth is not the center of the galaxy
> So, as a general rule, the farther out astronomers look, the younger the stars are.