outer space 1

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Across
  1. 3. Towards the _ _ _ _ _, stars seem to move in a circular pattern.
  2. 5. from Earth, stars generally appear to move East to
  3. 7. The universe is believed to have a vast number of g _ _ _ _ _ _ _
  4. 8. aka the cosmos
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  1. 1. m _ _ _ _ _ OF THE UNIVERSE: Are the ways in which we imagine what the cosmos must look like from observations.
  2. 2. geo _ _ _ _ _ _ _ a model of the solar system: Earth is the center of the universe
  3. 4. h _ _ _ _ centric: a model of the solar system : Earth and other planets revolve around the sun at the center of the universe.
  4. 6. the universe has been expanding since its creation in the B_ _ B_ _ _ _ about 13 billion years ago