Across
- 2. Interstellar clouds of dust and gas
- 5. Smallest definition of an element
- 6. Resembling the moon
- 7. Curved path of a celestial or a spacecraft round a star
- 8. bang in the early development of the universe
- 9. Space rock that enters earths atmosphere
- 10. An obscuring light from one celestial body
Down
- 1. A star that increases suddenly in brightness
- 3. Orbits the sun and really tiny
- 4. UV light is electromagnetic radiation