Intro Astronomy

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Across
  1. 3. Shape of the Earth trajectory around the Sun.
  2. 5. Amount of matter measured on kilograms
  3. 7. Force from the Earth to each body on its surface
  4. 12. Movement of a planet around the Sun.
  5. 13. current I in international system
  6. 15. International system of units
  7. 17. 23.74 degrees tilt Earth axis.
  8. 18. unit to measure the light intensity in metric system.
  9. 19. Change of the velocity over time.
Down
  1. 1. Change of the position over time
  2. 2. Time unit in the metric system.
  3. 4. G
  4. 6. Force of attraction between masses.
  5. 8. Amount.
  6. 9. Responsible for the change of the north star every 26000 years.
  7. 10. Temperature unit in international system
  8. 11. Motion of the Earth on its axis.
  9. 14. Dimension, [L]
  10. 16. Astronomical unit
  11. 19. unit to measure current in International system.
  12. 20. Path of the Sun.