'Tis the Season to Learn About Space

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Across
  1. 2. The time when the Sun disappears below the horizon in the evening.
  2. 6. What we see above Earth at night, including stars, the Moon, and planets.
  3. 8. A symbol that shows directions on a map.
  4. 13. The movement of Earth around the Sun that takes about one year.
  5. 15. When the lit part of the Moon is getting smaller each night.
  6. 17. The repeating pattern of Moon phases that lasts about 29 days.
  7. 18. A huge ball of hot gases that gives off light and heat.
  8. 20. A small, rocky planet like Earth, Venus, Mars, or Mercury.
  9. 21. The direction where the Sun sets.
  10. 24. The line where Earth and the sky seem to meet.
  11. 25. The curved shape of the Moon when only a thin slice is lit.
  12. 27. The Sun and all the planets, moons, and other objects that orbit it.
  13. 29. An imaginary line through Earth that it spins around.
  14. 30. The direction on Earth toward the South Pole.
  15. 31. The shape of the lit part of the Moon seen from Earth.
  16. 32. When the lit part of the Moon is getting larger each night.
  17. 34. A dark shape made when light is blocked by an object.
  18. 36. A large body that orbits a star and does not make its own light.
  19. 37. The phase when more than half, but not all, of the Moon’s face is lit.
  20. 38. The spinning of Earth on its axis that causes day and night.
Down
  1. 1. The phase when the Moon’s lit side faces away from Earth.
  2. 3. The phase when half of the Moon’s face is lit on the left side.
  3. 4. The direction or tilt at which light hits an object.
  4. 5. An object that gives off light, such as the Sun or a lamp.
  5. 7. The four main directions on a compass (north, south, east, and west).
  6. 9. A natural object that orbits a planet.
  7. 10. A group of stars that forms a pattern in the sky.
  8. 11. The phase when the entire face of the Moon is lit.
  9. 12. The middle of the day when the Sun is highest in the sky and shadows are shortest.
  10. 14. The time when the Sun appears in the sky in the morning.
  11. 16. The time of day when the Sun is moving lower in the west and shadows point east.
  12. 19. The phase when half of the Moon’s surface facing Earth is lit and appears on the right side.
  13. 22. The direction where the Sun rises.
  14. 23. The path one object takes as it moves around another in space.
  15. 26. The direction on Earth toward the North Pole.
  16. 28. The time of day when the Sun is rising and shadows are long and point west.
  17. 33. A large planet made mostly of gas (Jupiter, Saturn, Uranus, Neptune).
  18. 35. A region beyond Neptune filled with icy objects and dwarf planets.