Two small, misshapen galaxies are wandering together on the outskirts of the Virgo Cluster, a huge city of galaxies. Astronomers have been watching this galaxy pair, NGC 4532 and DDO 137, for years because their gas looks messy and stretched. Fresh radio maps now show why. Using a survey that traces invisible, cold hydrogen gas, researchers mapped a massive bridge …
Read More »Two dwarf galaxies linked by an ‘astonishingly’ long gas bridge
