Across
- 2. instrument invented by Galilio Galilei expressed by Group 4
- 5. the only planet with life
- 7. a study of stars
- 8. a star that people think is bigger, hotter, and heavier than our sun?
- 9. a sign which all of us have
- 10. a natural satellite which orbits a planet
- 11. the largest planet
- 13. top most quadrilateral star
- 14. the outer four planets
- 15. tiny dots in the night sky
Down
- 1. the sun and the planets are collectively known as?
- 3. a group of stars forming a shape in the celestial sphere
- 4. the first four planets
- 6. an annular phenomena covered by group 1
- 12. a larger moon of mars