Across
- 1. "Invisible" feature near the center of the Milky Way Galaxy
- 4. Telescope launched in December 2021 to replace the Hubble Telescope
- 6. Name of the light we can see
- 7. Planets that orbit stars outside of our solar system
- 11. Diagram that plots stars according to luminosity and surface temperature
- 13. Cloud of gas/dust where stars are born
- 15. Name of the star in our solar system
- 16. The closest galaxy to our galaxy
- 18. The hottest stars are this color
- 19. Primary fuel used by stars
Down
- 2. Describes how galaxies farther away are moving faster away from us
- 3. Caused by the tilt of Earth on its axis while revolving around the sun
- 5. Very hot, medium sized star at the end of its life cycle
- 8. Massive star explosion
- 9. Theory of the beginning of the universe
- 10. Age of the universe is 13.7 ____ years old
- 12. Stars that generate energy by hydrogen fusing into helium
- 14. First element to form
- 15. Shape of the Milky Way Galaxy
- 17. Name of our galaxy
- 20. Longest wavelength of visible light