Astronomy Crossword

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Across
  1. 1. graph relating the temperature and brightness of stars
  2. 4. the earliest stage of a star's life
  3. 5. Search for Extraterrestrial Intelligence
  4. 6. pushed for privatized space
  5. 7. labeled as least supportive president of US Space efforts.
  6. 8. collected data to prove that Copernicus was correct
  7. 9. a spaceship designed to travel to mars designed by Space X
  8. 11. the length, width, height, or depth of something
  9. 12. National Aeronautics and Space Administration
  10. 14. A telescope that uses a curved mirror to collect and focus light
  11. 16. use of telescopes to view exoplanets
  12. 18. proposed a geocentric system
  13. 19. A galaxy that does not have a normal shape
  14. 20. calculated the circumference of the earth
Down
  1. 2. moving backward
  2. 3. was the first to use a telescope to study the stars
  3. 7. A group of stars that form a pattern in the sky
  4. 10. International Space Station
  5. 13. Red supergiant star in the Orion Constellation located in the Northern Hemisphere.
  6. 15. circle within a circle
  7. 17. on Mars to study rocks