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  2. OJ 287 - Wikipedia

    en.wikipedia.org/wiki/OJ_287

    The double-burst variability is thought to result from the smaller black hole punching through the accretion disc of the larger black hole twice in every 12 years. [5] A secondary black hole orbits the larger one with an observed orbital period of approximately 12 years and a calculated eccentricity of approximately 0.65. [4]

  3. Tidal disruption event - Wikipedia

    en.wikipedia.org/wiki/Tidal_disruption_event

    Later theorists concluded that the resulting explosion or flare of radiation from the accretion of the stellar debris could reveal the presence of a dormant black hole in the center of a normal galaxy. [8] TDEs were first observed in the early 1990s using the X-ray ROSAT All-Sky Survey. [citation needed]

  4. Black hole - Wikipedia

    en.wikipedia.org/wiki/Black_hole

    It has also been suggested that some ultraluminous X-ray sources may be the accretion disks of intermediate-mass black holes. [183] Stars have been observed to get torn apart by tidal forces in the immediate vicinity of supermassive black holes in galaxy nuclei, in what is known as a tidal disruption event (TDE). Some of the material from the ...

  5. Bright lights detected by NASA telescopes lead to a dancing ...

    www.aol.com/bright-lights-detected-nasa...

    The black hole duo is the closest pair found through visible and X-ray light. While other black hole pairs have been observed before, they are usually much farther apart.

  6. Stephen Hawking's famous prediction about black holes was ...

    www.aol.com/article/2016/08/15/stephen-hawking-s...

    When pairs of phonons were created near the analogue black hole, Steinhauer observed one particle falling in and the other escaping. This, he said, is analogous to a photon escaping a real black hole.

  7. Giant black hole's powerful burst observed by scientists

    www.aol.com/news/2016-03-17-giant-black-hole-s...

    Prior to the red blast sightings, which were made in June of 2015, the gravitational juggernaut had been feasting on a companion star. Each of the flashes detected lasted only a portion of a ...

  8. Event Horizon Telescope - Wikipedia

    en.wikipedia.org/wiki/Event_Horizon_Telescope

    The Event Horizon Telescope (EHT) is a telescope array consisting of a global network of radio telescopes.The EHT project combines data from several very-long-baseline interferometry (VLBI) stations around Earth, which form a combined array with an angular resolution sufficient to observe objects the size of a supermassive black hole's event horizon.

  9. Researchers find binary stars orbiting near Milky Way's ... - AOL

    www.aol.com/researchers-binary-stars-orbiting...

    For many years, scientists similarly believe that the extreme environments near supermassive black holes prevented even single new stars from forming there before those were observed near ...