Across
- 3. an artificial body placed in orbit around the earth, moon or another planet to collect information
- 5. a ball of gas that projects heat to other planets
- 6. a system of millions of stars held by gravitational attraction
- 9. is a piece of rock or metal that has fallen from the earth’s surface
- 10. an object consisting of a nucleus and ice and dust. when near the sun a ‘tail’ of gas and dust particles pointing away from the sun
- 11. consists of a sun and eight planets that orbit around the sun
- 12. a natural satellite of the earth providing light at night
- 13. a curved path of a celestial object around a star, planet or moon
Down
- 1. an astronomical body moving around the sun
- 2. a luminous point in the sky that is large and has some light
- 4. a unit of astronomical distance equivalent to the distance that light travels in one year
- 7. a small rocky body orbiting the sun
- 8. a spot that appears from time to time on the suns surface
- 9. a small body from outer space that enters the earth’s atmosphere