Across
- 6. India's first unmanned scientific mission
- 7. The first artificial satellite launched
- 10. The first artificial satellite launched by India
- 11. The periodic rising and falling of sea and ocean water
Down
- 1. Earth's closest neighbour
- 2. Big round hollows on the moon
- 3. Blocking of the light of sun or moon by shadow of another heavenly body
- 4. The first Indian to go into space
- 5. An object in space that orbits or circles around a bigger object
- 8. Region beyond the atmosphere
- 9. To rotate around a heavenly body in a fixed path