New data reveals a 3-million-light-year filament connecting two galaxies, each of which hosts a supermassive black hole.
The European Southern Observatory (ESO) has released a stunning 80 million-pixel image of the star cluster RCW 38, as captured by ESO's Visible and ...
The European Southern Observatory (ESO) has released a stunning 80 million-pixel image of the star cluster RCW 38, as ...