Cosmic Connection

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Across
  1. 4. What science thrives on
  2. 7. Tool used to observe distant celestial objects
  3. 12. Known as the “Mother of Hubble”
  4. 13. An intentional twist: a word inspired by “Star” and “Run”
  5. 15. Everything that exists, from stars to space-time
  6. 16. A powerful stellar explosion
  7. 17. Invisible substance that holds galaxies together
  8. 19. Another word for the universe
  9. 21. A massive system of stars, dust, and gas bound by gravity
Down
  1. 1. A scientist who studies space
  2. 2. Discovered the first radio pulsars
  3. 3. Space telescope that changed our view of the cosmos
  4. 5. Light spread out by wavelength
  5. 6. The force that keeps us grounded and planets in orbit
  6. 8. A colorful cloud of gas and dust in space
  7. 9. Provided strong evidence for dark matter
  8. 10. An icy space object with a tail
  9. 11. Where astronomers study the skies
  10. 14. The heart of scientific progress
  11. 18. A planet outside our solar system
  12. 20. Proposed that stars are mostly hydrogen and helium