New red galaxies turn out to be already known blue galaxies
Not all discoveries turn out to be actual new discoveries. This was the case for the extremely red objects (EROs) found in James Webb Space Telescope (JWST) data. Analysis shows that they are very similar to blue-excess dust obscured galaxies (BluDOGs) already reported in Subaru Telescope data.
Quasars, some of the brightest objects in the Universe, are driven by a supermassive black hole with a mass that can reach more than a billion times that of the Sun. These objects are the focus of much research, but how ...














