Changing views of the night sky-Constellations

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Across
  1. 2. a star chart device that helps predict the positions of constellations in the night sky
  2. 5. It is internationally used to predict a person's personality in astrology. (no blanks between words)
  3. 8. The Big Dipper is a part of this constellation(no blanks between words)
  4. 9. a smaller group of stars within a constellation
Down
  1. 1. The change of seasons is due to Earth’s _____ around the Sun .
  2. 3. Each passing _____ affects our view of the night sky.
  3. 4. a group of stars that appears to form a patter in the night sky
  4. 6. ____ in a constellation look close together, but they are very far apart.
  5. 7. the invisible line that runs around the center of Earth at zero degrees latitude