Andromeda XXXV: This Newly Discovered Galaxy Shouldn’t Exist, but It Does

A major discovery on the outskirts of Andromeda is shaking up our understanding of galactic evolution. Astronomers have found the dimmest and smallest satellite galaxy yet—Andromeda XXXV—forcing them to rethink how galaxies form and survive. This tiny galaxy defied expectations by forming stars billions of years longer than Milky Way satellites and surviving an era [...]