Across
- 2. Luminous galactic nucleus
- 5. Sun's visible surface
- 7. Dense star remnant
- 8. Rotating neutron star
- 9. Gravity well
- 13. Infinite spacetime curvature point
- 14. Star system
- 15. Extremely large star
- 16. Distance light travels in a year
- 17. Light wavelength increase
- 18. Study of the universe's origin
- 19. Space rock
Down
- 1. Study of celestial objects
- 3. Exploding star
- 4. Invisible universe mass
- 5. Astronomical distance unit
- 6. Study of stars' physics
- 10. Planet orbiting another star
- 11. Four-dimensional continuum
- 12. Neutron star with a strong magnetic field