Sun, Earth, Moon

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Across
  1. 4. Point at which the Sun is the highest in the sky and when shadows are the shortest.
  2. 6. Describes phases following a new moon, as more of the Moo's lighted side becomes visible.
  3. 8. Any of the dark, irregular spots that usually appear in groups on the surface of the Sun.
  4. 9. - Elongated, closed curve that describes Earth's yearlong orbit around the Sun.
  5. 10. Moon phase that occurs when the moon is between Earth and Sun, at which point the moon cannot be seen because its lighted half is facing the Sun and its dark half is facing Earth
  6. 11. change in appearance of the moon as viewed from Earth, due to the relative positions of the Moon, Earth, and Sun.
  7. 13. a continuous stream of plasma ejected by the sun, flowing outwardly from the sun's corona.
  8. 15. when one solar system object passes between the sun and another object, casting a shadow.
  9. 17. display of light in sky, usually at high latitudes; formed where particles from the sun enter Earth's atmosphere and magnetic fields.
  10. 18. A curved path that one object takes as it moves around another object.
  11. 21. phase that occurs when the Moon's entire surface facing Earth reflects lights.
  12. 22. A round, three-dimensional object whose surface is the same distance from its center from its center at all points.
  13. 23. daily rise and fall of the oceans, caused mainly by the gravitational pull of the moon.
  14. 24. when ocean water sinks to its lowest level.
  15. 26. A smaller body that revolves around a larger body.
  16. 27. The spinning of an object around a central axis-one complete turn. One rotation of Earth makes one day.
  17. 29. the darkening of the moon as it passes through Earth's shadow, this will happen during a full moon.
  18. 30. The surface of the Sun
Down
  1. 1. The half of the Earth that is South of the equator
  2. 2. describes phases that occur after a full moon, as the visible lighted side of the moon grows smaller.
  3. 3. The half of the Earth that is north of the equator.
  4. 5. the sun's outter atmosphere, it is only visible during a total eclipse and it appears as a pearly white crown.
  5. 7. Star of the northern hemisphere towards which the axis of the Earth points.
  6. 12. Imaginary vertical line cutting through the center of Earth, and around which Earth spins.
  7. 14. The Northern lights
  8. 16. Radiant energy given off by the sun.
  9. 19. Twice-yearly point at which the Sun is directly over the equator and the number of daylight and nighttime hours are equal worldwide.
  10. 20. Twice-yearly point at which the sun reaches its greatest distance north and south of the equator
  11. 25. The result of different amounts of sunlight falling on a hemisphere at different times of the year.
  12. 28. when ocean water swells to its highest point.