Scientists have observed a quasar accretion disk -- a glowing disk of matter that is slowly being sucked into its galaxy's central black hole. Their study makes use of a novel technique that uses ...
The disk-instability model 9,10,11,12,13,14 was developed to explain outbursts in compact binaries in which a white dwarf accretes from a low-mass companion 15. A cool (neutral) quiescent disk is ...
An international team of astronomers has used a new technique to study the bright disk of matter surrounding a faraway black hole. Using the NASA/ESA Hubble Space Telescope, combined with the ...
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