Across
- 3. A rapid increase in the size or amount of something.
- 6. The increase in the wavelength of light from distant objects.
- 7. MATTER Unseen matter that is inferred to exist from gravitational effects.
- 9. The study of celestial objects and phenomena.
- 10. The process of something getting larger in size.
- 11. The process of creating atomic nuclei in the early universe.
- 13. Tiny units of matter.
- 14. BANG The event believed to have led to the formation of the universe.
- 17. Uneven distribution of properties in different directions.
Down
- 1. A type of electromagnetic radiation with a longer wavelength than visible light.
- 2. Energy transmitted in the form of waves or particles.
- 4. A cloud of gas and dust in space.
- 5. Relating to the force of attraction between objects with mass.
- 8. A particle representing a quantum of light or electromagnetic radiation.
- 12. A point where something is extremely dense or infinitely small.
- 15. A huge system of stars, gas, and dust held together by gravity.
- 16. Relating to the universe as a whole.
