Across
- 3. An invisible layer of gases
- 4. Radio waves back to the Earth
- 5. The atmosphere protects Earth from
- 7. The only planet where life exists
- 9. radiation Gamma rays, x-rays and the ultra violet rays
Down
- 1. Spectacular phenomena in the ionosphere
- 2. A part of water cycle
- 6. Destroy the cosmic bodies towards moving towards Earth
- 8. balloons Help in forecasting the weather