Across
- 3. the fourth closest planet to the sun, the last planet of the inner ring.
- 6. second-largest gas giant, known for its rings
- 7. the star around which the earth orbits.
- 10. a cloud of gas and dust in outer space, visible in the night sky either as an indistinct bright patch or as a dark silhouette against other luminous matter.
- 12. a small, rapidly moving meteor burning up on entering the earth's atmosphere.
- 13. the planet we live on
- 14. a person who travels in space
Down
- 1. the furthest planet from the sun
- 2. it is the seventh planet from our sun
- 4. a large artificial satellite used as a long-term base for manned operations in space.
- 5. the planet closest to the sun
- 7. a fixed luminous point in the night sky which is a large, remote incandescent body like the sun.
- 8. the second cloest planet to the sun
- 9. the closest planet to the sun in the outer ring, the biggest planet, and the first gas giant
- 11. a celestial object consisting of a nucleus of ice and dust and, when near the sun, a “tail” of gas and dust particles pointing away from the sun.