Across
- 3. Spinning star that sends out beams
- 4. Center of a star
- 8. Scientist who found the star mass limit
- 10. Energy that travels through space
- 12. Neutron star with a very strong magnetic field
- 13. Weird-shaped matter inside a neutron star (italian)
- 14. Force that pulls things together
- 15. When atoms join and make energy
Down
- 1. Type of high-energy light
- 2. Big explosion of a star
- 5. Quick release of energy
- 6. Strongest type of light energy
- 7. How packed together something is
- 9. Area around a star controlled by magnetism
- 11. Particle with no charge