Across
- 5. An icy object that develops a glowing tail near the sun
- 6. A streak of light caused by a space rock burning in the atmosphere
- 9. A gas found in the atmosphere of some giant planets
- 10. A large round object that orbits a star and clears its own path
- 11. Energy sent out as waves or particles
- 12. The layer of gasses surrounding a planet
- 13. A giant cloud of gas and dust where stars are born
Down
- 1. A group of stars forming a recognisable pattern
- 2. An unmanned spacecraft sent to space for scientific research
- 3. Any object, natural or man-made that orbits a planet
- 4. Tiny particles of matter floating in space
- 7. A reusable spacecraft for travel to and from space
- 8. A massive ball of hot gas that creates its own light
- 14. An imaginary line an object rotates around