Across
- 3. Star wars calls it a unit of time but is actually a unit of distance
- 5. name of the belt of asteroids beyond Neptune
- 6. First scientist to claim that the earth was not the centre of the universe
- 7. Inventor of the modern telescope
Down
- 1. First civilization to have studied astronomy
- 2. closest galaxy to the Milky Way
- 4. Brightest star in the night sky