Astronomy Part 1

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Across
  1. 3. The visible surface of the sun.
  2. 5. 17 Mission to the moon that brought back rock samples
  3. 10. Foucault Pendulum, Day and Night, Coriolis Effect
  4. 11. A bowl shaped depression formed from the impact of a meteorite
  5. 13. 0 km/hour
  6. 17. The spinning of the Earth on it’s axis every 24 hours.
  7. 18. The imaginary line between the poles about which the Earth rotates.
  8. 21. A The axis of the Earth points towards this star in the northern hemisphere
  9. 22. Depends on the distribution of mass and rotation rate of a spinning object
  10. 25. The inner layers of the sun’s atmosphere
Down
  1. 1. Electrically charged particles that stream off the corona of the sun.
  2. 2. The time difference of one hour for every 15 degrees longitude.
  3. 4. Mass. 1300 km/hour
  4. 6. Dark spots on the photosphere of the sun that rotate across the surface.
  5. 7. 1690 km/hour.
  6. 8. The study of the universe
  7. 9. A line of longitude every 15 degrees.
  8. 12. 24 hours
  9. 14. The starting point for standard time zones in Greenwich, England
  10. 15. (1851) The shift in direction of a pendulum due to the rotation of Earth. 11 degrees/ hour.
  11. 16. The plane that contains the Earth’s orbit
  12. 19. The fourth state of matter; found on the sun and fluorescent light bulbs.
  13. 20. The process in which mass is converted to energy.
  14. 22. Between 4.2 and 4.5 billion years ago.
  15. 23. A rocky or icy fragment that travels through space
  16. 24. Extensive dark basins on the moon formed by lava.
  17. 25. The sun’s thin outer atmosphere is a millionth the brightness of the photosphere