Black Holes

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Across
  1. 5. An exploding star
  2. 6. How a gravitational wave hunter works
  3. 7. An artificial body placed in orbit around the earth, moon or another planet in order to collect information or for communication
  4. 8. The force that attracts a body towards the centre of the Earth or towards any other physical body having mass
  5. 9. The inner circle of a black hole
  6. 11. An expert in or student of astronomy
Down
  1. 1. A region of space with a gravitational field that nothing can escape
  2. 2. The term of being sucked into a black hole
  3. 3. The name given to the largest black holes
  4. 4. An instrument designed to make distant objects appear nearer
  5. 10. Are made when the centre of a very big star collapses in on itself