Astronomy & Space

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Across
  1. 2. Between the stars
  2. 6. Relating to planets outside our solar system
  3. 7. Measurement of light intensity from objects
  4. 9. Small body that can form a planet
  5. 10. Point of infinite density in spacetime
Down
  1. 1. Cloudiness in space; gaseous cloud
  2. 3. Pertaining to northern or southern lights
  3. 4. Precise measurement of star positions
  4. 5. Study of light to analyze composition
  5. 8. Study of the universe's origin and structure