Across
- 3. a body with a frozen nucleous that travel around the sun.
- 7. the Sun together with the group of celestial bodies
- 11. a limited extent in one, two or three dimensions
- 13. the vast spiral arrangement of stars
- 14. the layer of gas surrounding a planet
- 15. the luminous celestial body around which the Earth and other planets revolve
Down
- 1. the Earth only natural satellite
- 2. a small moving solid object orbiting the Sun
- 4. the whole body of things and phenomena observed or postulated
- 5. a group of stars that form a shape
- 6. a small rocky objects that revolves around the Sun
- 8. the scientific study of the planets, stars and galaxies and the universe as a whole.
- 9. a natural luminous body visible in the sky specially at night.
- 10. any of the seven celestial bodies.
- 12. a celestial body orbiting another of larger size.