By leveraging the wealth of information collected by the European Space Agency’s Gaia satellite and the ground-based Sloan Digital Sky Survey, the researchers narrowed down their hunt for these rare, though extremely bright dual quasars, hiding in plain sight among the stars across the universe. A quasar is the extremely …
Read More »Hubble Telescope finds 2 ‘needles’ in separate galactic haystacks with double-quasar discovery
