Earth And Space

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Across
  1. 1. with regard to the sun
  2. 4. of the four divisions the year marked by particular
  3. 5. tectonics-the dynamics of plate movement
  4. 7. Diagram-graph showing the absolute magnitude plotted against the
  5. 8. an observe on earth
  6. 9. Systems-the condition of one area at a particular time
  7. 10. alternate rising and falling of the sea , usually twice in
  8. 12. each lunar day at a particular place, due to the attraction of
  9. 13. Phases-the shape of the illuminated portion of the moon as seen
Down
  1. 2. distribution of parts of features on the surface or
  2. 3. temperature for a group of stars
  3. 6. Cycle Of A Star-nebula cloud of gas
  4. 9. an organ organism
  5. 11. moon and sun