event horizon

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Across
  1. 2. sensation of vision is created by
  2. 4. a unit of power
  3. 7. an object related with newton
  4. 8. The Father of Observational Astronomy
  5. 12. scientists who study weather
  6. 15. study of motion of air, particularly when hit by a solid object
  7. 17. the process of water vapor turning into water droplets
  8. 18. the language of physics
  9. 19. the brain of a computer inside a single integrated circuit(IC)
  10. 20. a way by which sun radiates energy
Down
  1. 1. the state of the air at a certain time and place
  2. 3. SI unit of mass
  3. 5. a light sensitive device that converts drawing, printed text or other images in the digital form
  4. 6. an element discovered during a total solar eclipse in India
  5. 9. SI unit of temperature
  6. 10. force that causes the objects to float
  7. 11. a portion of the language that a computer can understand
  8. 13. a point of no return
  9. 14. an application of Newton's Third Law of Motion.
  10. 16. a planet without a moon