Across
- 4. - Explosion of a star
- 6. - Natural light display in the sky
- 7. - Region of spacetime exhibiting gravitational attraction
- 9. - Highly magnetized rotating neutron star
Down
- 1. - Extremely luminous active galactic nucleus
- 2. - Visible path of a meteoroid
- 3. - System of millions or billions of stars
- 5. - Cloud of gas and dust in space
- 6. - Small rocky body orbiting the sun
- 8. - Icy small Solar System body