No one had predicted that we would see such a luminous population of dusty galaxies so far back. (kavlifoundation.org)
Dusty galaxies do emit strong radio waves with submillimeter wavelengths, but radio telescopes typically have not had the resolution needed to pin - point individual galaxies. (sciencedaily.com)
Astronomers using NASA's Spitzer and Chandra space telescopes discovered swarms of similar quasars hiding in dusty galaxies in the distant universe. (space.com)