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  2. Event horizon - Wikipedia

    en.wikipedia.org/wiki/Event_horizon

    It is only restricted by the speed of light. Closer to the black hole spacetime starts to deform. In some convenient coordinate systems, there are more paths going towards the black hole than paths moving away. [Note 1] Inside the event horizon all future time paths bring the particle closer to the center of the black hole.

  3. Optical black hole - Wikipedia

    en.wikipedia.org/wiki/Optical_black_hole

    An optical black hole is a phenomenon in which slow light is passed through a Bose–Einstein condensate that is itself spinning faster than the local speed of light within to create a vortex capable of trapping the light behind an event horizon just as a gravitational black hole would. [1] Unlike other black hole analogs such as a sonic black ...

  4. Black hole - Wikipedia

    en.wikipedia.org/wiki/Black_hole

    A view of M87* black hole in polarised light Sagittarius A*, black hole in the center of the Milky Way. The Event Horizon Telescope (EHT) is an active program that directly observes the immediate environment of black holes' event horizons, such as the black hole at the centre of the Milky Way. In April 2017, EHT began observing the black hole ...

  5. Scientists spot light echo from behind a black hole

    www.aol.com/news/scientists-spot-light-echo...

    Scientists spotted light 'echo' from behind a black holefor the first time everThe European Space Agency and NASA’s space telescopesobserved extremely bright flares of X-ray light coming from ...

  6. LIGO - Wikipedia

    en.wikipedia.org/wiki/LIGO

    On 11 February 2016, the LIGO Scientific Collaboration and Virgo Collaboration published a paper about the detection of gravitational waves, from a signal detected at 09.51 UTC on 14 September 2015 of two ~30 solar mass black holes merging about 1.3 billion light-years from Earth.

  7. Gravitational lens - Wikipedia

    en.wikipedia.org/wiki/Gravitational_lens

    Simulated gravitational lensing (black hole passing in front of a background galaxy) In general relativity, light follows the curvature of spacetime, hence when light passes around a massive object, it is bent. This means that the light from an object on the other side will be bent towards an observer's eye, just like an ordinary lens.

  8. 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.

  9. NASA has detected a burst of light that might be linked to ...

    www.aol.com/article/2016/04/19/nasa-has-detected...

    In September of 2015, physicists made a monumental discovery that opened up a new window to the universe.