Across
- 7. who is father of modern Indian astronomy?
- 8. The scientist who discovered that the Universe is expanding
- 9. the first Indian to win a Nobel prize for astrophysics in 1983
- 10. the first woman astronomer to discover a comet
Down
- 1. who was the first person to calculate the circumference of Earth?
- 2. the first astronomer to discover Uranus
- 3. the first person to use longitude and latitude lines to identify places on the Earth.
- 4. who discovered Saturn's largest moon Titan?
- 5. who made the first reflecting telescopes?
- 6. the astronomer to Craft a Universal Message to Aliens