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