Across
- 1. the outermost layer of earth
- 3. a satellite launched in India to moon
- 4. the planet on which we live on huge ball
- 7. craters are huge ditches that were formed when huge pieces of rock
- 9. how many planet our in the solar system
Down
- 1. the innermost layer of earth
- 2. the middle layer of earth
- 5. a small object that revolves around a planet
- 6. the natural satellite around the earth
- 8. the star in the center of the solar system