Across
- 4. Explanation of the creation of the universe
- 6. Multiple stars on a diagram extending from left to right
- 10. Biggest and most powerful explosion known to man
- 12. The study of the universe
- 14. The explanation of how gravity is created
- 16. The core of a super giant star
- 17. Electromagnetic radiation shown on a spectrum
- 18. Spectral lines displaced near long wave lengths
Down
- 1. Two nuclei put together to create a heavier nucleus
- 2. A unit which light travels the same distance of light
- 3. A dense star as big as a planet
- 5. Billions of stars creating a system
- 7. Evolution of space from the Big Bang Theory
- 8. A space cloud full of gas
- 9. Intense gravity of which is not part of the spacetime
- 11. The change in frequency of waves as moved near or away
- 13. Radiation left over from the creation of the universe
- 15. Scientific device that helps you see objects in space