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  2. 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 ...

  3. Event horizon - Wikipedia

    en.wikipedia.org/wiki/Event_horizon

    A black hole event horizon is teleological in nature, meaning that it is determined by future causes. [ 14 ] [ 15 ] [ 16 ] More precisely, one would need to know the entire history of the universe and all the way into the infinite future to determine the presence of an event horizon, which is not possible for quasilocal observers (not even in ...

  4. Light echo - Wikipedia

    en.wikipedia.org/wiki/Light_echo

    An echo of ShaSS 073 galaxy's light detected by ESO's VLT Survey Telescope. The ShaSS 622-073 system is composed of the larger galaxy ShaSS 073 (seen in yellow in the image on the right) and the smaller galaxy ShaSS 622 (seen in blue) that are at the very beginning of a merger.

  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. Einstein right, again: Researchers see light 'echo' around ...

    www.aol.com/news/einstein-again-researchers-see...

    For the first time ever, scientists have seen the light from behind a

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

    www.aol.com/news/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.

  8. Gravitational microlensing - Wikipedia

    en.wikipedia.org/wiki/Gravitational_microlensing

    The black hole has a mass of about 7 times the solar mass and is about 1.6 kiloparsecs (5.2 kly) away, in Sagittarius, while the star is about 6 kiloparsecs (20 kly) away. There are millions of isolated black holes in our galaxy, and being isolated very little radiation is emitted from their surroundings, so they can only be detected by ...

  9. Light spotted behind black hole for first time, proving ...

    www.aol.com/news/light-spotted-behind-black-hole...

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