Across
- 2. system a collection of eight planets and their moons that orbit the sun
- 3. a star in the center of the solar system
- 5. a dark patch on the sun
- 6. a unit of length and/or time
- 9. like a shooting star
- 11. a rock that has fallen to earth's surface
- 12. the curved path of an object around a star, moon or planet
Down
- 1. a celestial body moving in an orbit around a star
- 3. a fixed luminous point in the sky at night
- 4. a cluster millions of stars
- 7. a space rock
- 8. an artificial body placed in orbit to collect infomation or used for communication
- 10. a natural satellite of earth, visible by reflected light from the sun
- 11. a body of matter that comes from outer space into earth's atmosphere