Across
- 6. a celestial body that orbits around a planet
- 7. machine launched into space that orbits a particular celestial body
- 8. an astronomical body orbiting a star
- 9. a unit of astronomical distance equivalent to the distance that light travels in one year
- 11. a spot or patch that appears from time to time on the sun's surface
- 12. a meteor that has fallen onto Earth's surface
- 13. small rocky body that enters Earth'satmosphere
Down
- 1. the curved path of a celestial object or spacecraft around a star, planet, or moon
- 2. celestial object consisting of a nucleus of ice and dust, when near the sun a 'tail' forms
- 3. the star at the centre of our solar system
- 4. a system of millions of stars together with gas and dust, held together by gravitational attraction
- 5. the collection of eight planets and their moons in orbit around the sun, together with smaller bodies in the form of asteroids, meteoroids, and comets.
- 7. very large ball of bright glowing hot matter in space
- 10. small rocky body orbiting the sun