Across
- 3. Galaxy formed only by a core and a Halo.
- 4. First to discover that the North Star always points north.
- 6. Stars that are grouped into sets.
- 7. Classified the galaxies according to their shape.
- 10. Galaxy that hosts our planet.
- 11. Realized that some bodies moved and called them planets.
Down
- 1. The most common galaxy in the universe.
- 2. Recorded eclipses and solstices in so-called “Tables of Venus” and developed a 365-day calendar.
- 5. Galaxy with no definite shape.
- 8. Youngest stars.
- 9. Wanderers.
- 12. Older stars.