View Full Version : Hubble Telescope Directly Observes Quasar Accretion Disc Surrounding Black Hole

2011-Nov-05, 05:00 PM
Thanks to the magic of the NASA/ESA Hubble Space Telescope, a team of international astronomers have made an incredible observation – a quasar accretion disc surrounding a black hole. By employing a technique known as gravitation lensing, the researchers have been able to get an accurate size measurement and spectral data. While you might not [...]

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