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