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Space Exploration - Coggle Diagram

- - - - The Suppermasive blackhole on the middle of our galaxy called Sagitarius A has a mass of 4 million suns in it.
      - Phoenix A is a suppermassive black hole of over 20 billion sun mass being the largest known black hole.
    - - A black hole is a object of mass gravity that exists in almost every galaxy
      - Suppermassive Black Holes
      - Stellar Black Holes
      - Intermediate Black Holes
  - - - What is a quasar?
        
        Why are quasars so dangerous?
    - - Why do planets orbit all in the same direction and axis?