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Black holes & dark matter ...

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  • Black holes & dark matter ...

    Quantum Physics etc.

    This is where reality itself gets weird - never-mind politics

    What happens to matter when it becomes part of a black hole ?

    Do a google search of that and enjoy a study... but we don't really know.

    We know about atoms, molecules, protons, neutrons & electrons - even subatomic 'particles'

    What becomes of all this in a black hole ? We don't know. We still don't understand the reality we live in..

    But do a search and read more on the subject for yourself, it's very interesting

    ---------------------------------------------------------------------------------------------------------------------------------------------


    ...We need a theory of quantum gravity for that.

    https://www.reddit.com/r/explainlike..._they_do_once/



    In this singularity all our equations break down.


    https://www.reddit.com/r/explainlike..._a_black_hole/


    Perhaps the greatest problem in astrophysics is the mystery of dark matter.


    https://medium.com/the-physics-arxiv...s-860f24532307

  • #2
    Here's an interesting read on the subject ...

    ----------------------------------------------------------------------------------------------------

    ...one of the most fascinating and unsolved mysteries of the universe is what happens inside a black hole. It was a question that stumped scientists for decades after they initially hypothesized the existence of black holes, especially since there was really no way to study them. Just as light becomes trapped in a black hole, so too do X-Rays and Electromagnetic Radiation, ...

    ....the force that black holes exert on matter is so powerful that it condenses any object in the vortex to a single point in the universe, referred to as a "singularity". This is where things get tricky -- a point is defined as an instant in the universe, defying all laws of time and reality. The rules of time and space (the space-time continuum, as many scientists put it) do not apply to single points. It's amazing, though nearly impossible to visualize. That is why all concepts regarding objects in black holes are mostly theoretical; it defies the laws that pertain to our reality. We have to imagine that anything in a black hole, even an entire planet, is compressed to a single point, which has no time, no space, and no reality. Mind-boggling to say the least!



    https://www.nature.com/scitable/blog...matter_inside/

    ?


    • #3
      Yeah, black holes are where the present level and understanding of physics runs out, where the existing formulae run out, boundary condition where the math stops making sense anymore.

      Actually, when black holes feed too fast, they shoot jets of plasma from their poles.


      Relativistic jet. The environment around the AGN where the relativistic plasma is collimated into jets which escape along the pole(s) of the supermassive black hole.
      https://en.wikipedia.org/wiki/Astrophysical_jet
      So that clearly can escape from a black hole.

      ?


      • #4
        It always amazes me how little we really know about things.

        We tend to get arrogant and think we're masters of the universe.

        Then we find that we don't REALLY even understand the nature of matter.

        ... and some of us think we have power to control, or affect this planets weather.

        We don't even honestly fully understand, or even KNOW all the variables involved LOL

        ?


        • #5
          Originally posted by Captain Trips View Post
          It always amazes me how little we really know about things.

          We tend to get arrogant and think we're masters of the universe.

          Then we find that we don't REALLY even understand the nature of matter.

          ... and some of us think we have power to control, or affect this planets weather.

          We don't even honestly fully understand, or even KNOW all the variables involved LOL
          Quite true.

          Did you know that there's likely an undiscovered planet that belongs to our solar system?

          Planet Nine - Wikipedia
          https://en.wikipedia.org › wiki › Planet_Nine
          Planet Nine is a hypothetical planet in the outer region of the Solar System. Its gravitational effects could explain the unusual clustering of orbits for a group of extreme trans-Neptunian objects (eTNOs), bodies beyond Neptune that orbit the Sun at distances averaging more than 250 times that of the Earth.
          Eccentricity‎: ‎0.2–0.5
          Mass‎: ‎5–10 M (est.)
          Inclination‎: ‎15–25
          Argument of perihelion‎: ‎150 (est.)

          Extreme trans-Neptunian objectKonstantin BatyginList of hypothetical Solar ... In Depth | Hypothetical Planet X – NASA Solar System ...
          https://solarsystem.nasa.gov › planets › hypothetical-planet-x › in-depth
          The object, which the researchers have nicknamed "Planet Nine," could have a mass about 10 times that of Earth and orbit about 20 times farther from the Sun ... Our solar system's mysterious 'Planet 9' may actually be a tiny ...

          https://www.nbcnews.com › mach › science › our-solar-system-s-mysterio...
          Oct 2, 2019 - A new theory suggests that Planet 9 may not be a planet after all, but a primordial black hole left over from the Big Bang that created the ... 'Planet Nine' may actually be a black hole | Science | AAAS

          https://www.sciencemag.org › news › 2019/09 › planet-nine-may-actually-...
          Sep 27, 2019 - Previous studies have suggested Planet Nine, which some astronomers refer to as “Planet X,” has a mass between five and 15 times that of ...

          ?


          • #6
            I read about that awhile ago. I'm not sure what to make of what they call the new things they find, since they decided Pluto wasn't going to be a planet any more.

            All interesting though.

            The new GOOD pictures of Pluto are cool too. Finally can see what the place looks like... that's so far away it's hard to imagine.

            https://solarsystem.nasa.gov/planets...st&category=51



            what the sun looks like from Pluto


            https://www.google.com/search?q=what...w=1366&bih=625

            ?


            • #7
              Originally posted by Captain Trips View Post
              I read about that awhile ago. I'm not sure what to make of what they call the new things they find, since they decided Pluto wasn't going to be a planet any more.

              All interesting though.

              The new GOOD pictures of Pluto are cool too. Finally can see what the place looks like... that's so far away it's hard to imagine.

              https://solarsystem.nasa.gov/planets...st&category=51



              what the sun looks like from Pluto


              https://www.google.com/search?q=what...w=1366&bih=625
              If only it didn't take space probes, or even manned missions, so long to get there to do more exploring.

              The vast distances of the solar system, the Milky Way galaxy, are beyond imagine.

              ?


              • #8
                Originally posted by eohrnberger View Post

                If only it didn't take space probes, or even manned missions, so long to get there to do more exploring.

                The vast distances of the solar system, the Milky Way galaxy, are beyond imagine.
                That's just the tiny area around a star in an immense galaxy in a limitless seeming universe

                ?

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